{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9852747","patent":{"patent_number":"US-9852747","title":"Segmented magnetic recording write head for writing timing-based servo patterns","assignee":null,"inventors":[],"filing_date":"2016-09-22T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["G11B","G11B","G11B","G11B","G11B","G11B","G11B","G11B","G11B","G11B","G11B","G11B","G11B"],"num_claims":12,"abstract":"An apparatus according to one embodiment includes a first module having a plurality of first write transducers, and a plurality of second modules each having a second write transducer. Planes of deposition of write gaps of the second write transducers are oriented at an angle of greater than 4 degrees relative to planes of deposition of write gaps of the first write transducers. An apparatus according to another embodiment includes a plurality of first modules each having a first write transducer, and a plurality of second modules each having a second write transducer. Planes of deposition of write gaps of the second write transducers are oriented at an angle of greater than 4 degrees relative to planes of deposition of write gaps of the first write transducers."},"analysis":{"summary":"The Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns patent (US-9852747) introduces a pivotal innovation in magnetic data storage technology, specifically addressing the critical need for enhanced precision in writing timing-based servo patterns. The core innovation lies in its novel write head architecture, designed to overcome the limitations of conventional systems in achieving high data densities and reliability.\n\nThe primary problem this invention solves is the difficulty in accurately and consistently writing microscopic servo patterns on magnetic media as data tracks become increasingly narrow. These patterns are essential for the read/write head to precisely navigate and access data, and any inaccuracies can lead to reduced storage capacity, slower performance, and potential data corruption. Existing write heads often struggle to create the sharp, undistorted magnetic transitions required for optimal servo pattern quality in high-density environments.\n\nThis patent's key technical approach involves a segmented write head apparatus. It comprises a first module equipped with multiple first write transducers and a series of second modules, each housing a second write transducer. The ingenious aspect is the deliberate angular orientation: the planes of deposition of the write gaps of the second write transducers are set at an angle greater than 4 degrees relative to those of the first write transducers. This angular offset allows for finer control over the magnetic field, enabling the creation of significantly sharper and more precisely placed servo patterns.\n\nThe business value and applications of this technology are substantial. By enabling the writing of more accurate servo patterns, this innovation directly facilitates higher track per inch (TPI) densities, leading to a significant increase in the overall storage capacity of hard disk drives. Furthermore, improved servo precision translates into enhanced data reliability, faster data access times, and reduced error rates, which are critical performance metrics for data centers, cloud storage providers, and enterprise solutions. This technology ensures the continued viability and competitiveness of magnetic storage in an increasingly data-intensive world.\n\nFrom a market opportunity perspective, this patent positions itself as a foundational technology for next-generation hard disk drives. It addresses a fundamental bottleneck in scaling magnetic storage, opening doors for manufacturers to develop higher-capacity, more reliable, and faster storage solutions. This innovation provides a crucial competitive advantage in a market driven by the insatiable demand for more data storage, ensuring that magnetic recording can continue its evolutionary path alongside other storage technologies.","layman_explanation":"### What Problem Does This Solve?\n\nImagine a massive library, but instead of books, it's filled with billions of tiny data points on spinning disks inside a computer's hard drive. To find any specific piece of data, the 'reader' (the read/write head) needs an incredibly precise map. These maps are made of microscopic 'guide lines' or 'timing-based servo patterns' written onto the disk. As we demand more and more storage, these data points get smaller, and the guide lines need to be even finer and perfectly placed. The big problem is that existing technology struggles to write these microscopic guide lines with enough accuracy. It's like trying to paint a perfect, hair-thin line with a thick brush – it just doesn't work well. This limitation restricts how much data we can cram onto a drive and how reliably we can find it, impacting everything from your personal photos to massive cloud data centers.\n\n### How Does It Work?\n\nThe **Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns** patent introduces a clever solution. Instead of one standard 'brush' (a single write head), think of this invention as a specialized set of fine-tipped pens. It uses a write head made of several distinct parts, or 'modules.' One module has multiple writing elements, while others have individual writing elements. The truly innovative part is that the writing tips (called 'write gaps') of these individual elements are deliberately tilted at a slight angle—more than 4 degrees—compared to the main writing elements. \n\nThis tilt is key. By segmenting the head and angling these specific parts, the technology gains much finer control over the magnetic field it uses to 'draw' the guide lines. It's like having a precision stencil and a very sharp, angled pen. This allows the system to create much cleaner, sharper, and perfectly positioned magnetic patterns on the disk. It's not about writing data directly, but about creating the foundational 'roads' that allow the data to be written and read accurately. Without getting into complex physics, the angled segments simply allow for a more focused and precise magnetic 'impression' on the disk surface.\n\n### Why Does This Matter?\n\nThis innovation matters immensely for several business reasons. Firstly, it directly enables **significantly higher data storage capacities**. By writing more accurate guide lines, hard drive manufacturers can pack more data tracks onto each disk, leading to larger capacity drives without increasing their physical size. This is crucial for cloud computing giants, data centers, and enterprises that need to store petabytes of information efficiently. Secondly, it leads to **improved data reliability and performance**. When the guide lines are perfect, the read/write head can find data faster and with fewer errors. This means quicker access to information, reduced downtime, and less risk of data corruption, all of which translate into substantial cost savings and operational efficiency for businesses. Finally, it provides a **competitive advantage** and extends the lifespan of magnetic storage technology. In a world increasingly reliant on data, innovations like this ensure that hard drives remain a cost-effective and essential component of the global digital infrastructure, allowing companies to scale their data operations more effectively and affordably.\n\n### What's Next?\n\nThe **Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns** is poised to be a foundational technology for the next generation of high-capacity hard drives. We can expect to see drives incorporating this approach offering unprecedented storage densities in the coming years, particularly in enterprise and data center markets. This innovation also lays the groundwork for even more advanced magnetic recording techniques, such as Heat-Assisted Magnetic Recording (HAMR), by providing the precise servo writing capabilities they will require. For businesses, this means continued access to high-capacity, reliable, and cost-effective storage solutions, ensuring that their expanding data needs can be met efficiently well into the future. It’s an investment in the underlying infrastructure that powers the digital economy.","technical_analysis":"The Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns (US-9852747) represents a sophisticated engineering solution to a fundamental challenge in magnetic data storage: the precise generation of timing-based servo patterns at increasingly high areal densities. As magnetic recording pushes towards higher track per inch (TPI) metrics, the fidelity and accuracy of these servo patterns become paramount for reliable head positioning and data integrity.\n\n**Technical Architecture:**\n\nThe core of this invention lies in its innovative write head architecture. Unlike conventional monolithic write heads, this system employs a modular, segmented design. It is conceptualized as an apparatus comprising two primary types of modules:\n\n1.  **First Module:** This module contains a plurality of 'first' write transducers. These transducers likely serve as the primary elements responsible for generating the main magnetic field for writing, potentially defining the broad characteristics of the servo pattern.\n2.  **Second Modules:** A plurality of these modules are included, with each second module housing a single 'second' write transducer. These transducers are strategically positioned to refine or augment the magnetic field generated by the first module, particularly for achieving high-precision features.\n\n**Implementation Details and Angular Orientation:**\n\nThe critical technical differentiator is the precise angular relationship between the write gaps of these modules. The planes of deposition of the write gaps belonging to the second write transducers are deliberately oriented at an angle *greater than 4 degrees* relative to the planes of deposition of the write gaps of the first write transducers. This angular offset is not arbitrary; it is a meticulously engineered parameter designed to manipulate the magnetic field profile during the writing process.\n\nThis angularity allows for several advantages. When the write head passes over the magnetic media, the angled write gaps of the second transducers interact with the magnetic material in a way that can create sharper, more defined magnetic transitions. This is crucial for defining the edges of servo bits with high precision, minimizing 'fuzziness' or distortion that can plague traditional write heads. The 'plane of deposition' refers to the orientation in which the magnetic material (e.g., pole tips, write gap material) is laid down during the manufacturing process, indicating a physical, structural difference in the write head geometry.\n\n**Algorithm Specifics and Performance Characteristics:**\n\nWhile the patent abstract doesn't detail specific algorithms, the hardware innovation directly enables more advanced timing-based servo (TBS) algorithms. With cleaner, more distinct servo patterns, the servo control system can achieve:\n\n*   **Higher Signal-to-Noise Ratio (SNR):** The improved pattern quality means the feedback signal from the servo patterns is stronger and less corrupted by noise, leading to more accurate head position detection.\n*   **Finer Position Error Signal (PES) Resolution:** The sharp transitions allow for a more granular understanding of the head's position relative to the track center, enabling tighter track following.\n*   **Faster Seek Times:** More accurate PES and better track following reduce the settling time required for the head to stabilize over a track, leading to faster data access.\n*   **Increased Areal Density:** The primary performance characteristic impacted is the ability to achieve higher TPI, directly translating to greater storage capacity per platter.\n\n**Integration Patterns and Code-Level Implications:**\n\nIntegrating this write head would involve a sophisticated interplay between the physical hardware and the firmware/software layer. The control unit responsible for driving the write transducers would need to precisely synchronize the activation and deactivation of the first and second modules, taking into account their angular relationship. This would likely involve advanced pulse sequencing and current control to sculpt the magnetic field dynamically. Firmware would also need to calibrate and compensate for any manufacturing variations in the angular offset to ensure optimal performance across all manufactured units.\n\nAt a code level, this could mean more complex write algorithms in the drive's firmware, potentially utilizing look-up tables or real-time adaptive control to adjust write parameters based on media characteristics or environmental factors. The servo control loops would benefit from the cleaner input signals, allowing for more aggressive tuning and faster response times, which could be implemented in digital signal processing (DSP) units within the drive controller. This innovation, therefore, not only presents a hardware breakthrough but also unlocks the potential for significant advancements in the control and data processing layers of modern hard drives.","business_analysis":"The **Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns** patent (US-9852747) addresses a fundamental challenge in the data storage industry: scaling hard disk drive (HDD) capacity while maintaining or improving performance and reliability. This innovation holds significant commercial implications for manufacturers, cloud service providers, and any enterprise reliant on high-volume, cost-effective data storage.\n\n**Market Opportunity Size:**\n\nThe global data storage market, particularly for HDDs, remains robust, driven by the explosive growth of unstructured data, cloud computing, and archival needs. While SSDs dominate performance-critical applications, HDDs continue to offer the best cost-per-terabyte for bulk storage. Innovations that extend HDD viability, like this patent, tap into a multi-billion dollar market. As data centers continue to expand, the demand for higher capacity drives that offer improved total cost of ownership (TCO) will only intensify. This technology directly contributes to meeting that demand by enabling higher areal densities without proportional increases in physical footprint or power consumption.\n\n**Competitive Advantages:**\n\nFor HDD manufacturers, adopting this technology could provide a significant competitive edge. The ability to produce drives with:\n\n*   **Higher Capacities:** Directly translates to more compelling product offerings in the enterprise and cloud segments, where capacity per rack unit is a key metric.\n*   **Enhanced Reliability:** Drives with more precisely written servo patterns are inherently more reliable, leading to lower failure rates and reduced warranty claims, which can be a substantial cost saving.\n*   **Improved Performance:** Faster seek times and more efficient data access can differentiate products in a competitive market, appealing to clients who need both capacity and responsiveness.\n*   **Future-Proofing:** This innovation extends the roadmap for magnetic recording, allowing manufacturers to stay competitive against emerging storage technologies and continue to innovate within the HDD space.\n\n**Revenue Potential and Business Models:**\n\nThe revenue potential for this technology is primarily realized through the sale of advanced hard disk drives incorporating the Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns. Manufacturers can command premium pricing for higher-capacity, more reliable drives. Licensing agreements for the patent could also generate significant revenue, allowing other players in the ecosystem (e.g., specialized write head manufacturers, component suppliers) to integrate this technology. The business model for HDD manufacturers typically involves high-volume production, and any innovation that increases per-unit value or reduces manufacturing complexity (by enabling higher yields at advanced densities) directly boosts profitability.\n\n**Strategic Positioning:**\n\nStrategically, this patent positions magnetic recording technology to continue its role as the backbone of bulk data storage. It directly addresses the scaling challenges that, if left unsolved, could cede market share to other technologies. By enabling higher track per inch (TPI) densities, this innovation supports the development of next-generation recording techniques like HAMR (Heat-Assisted Magnetic Recording) or MAMR (Microwave-Assisted Magnetic Recording), which also rely on extremely precise magnetic writing. It ensures that the fundamental component—the write head—can keep pace with advancements in media and recording physics.\n\n**ROI Projections:**\n\nInvestment in developing and integrating the Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns promises a strong return on investment. The ability to increase HDD capacity by even a small percentage at the component level can lead to billions of dollars in added market value across the industry. Reduced operational costs for data centers (due to higher density drives fitting more data in the same footprint, reducing power/cooling needs) and lower maintenance costs (due to enhanced reliability) also contribute to a positive ROI for end-users. For the patent holder, the value lies in capturing a significant share of the high-capacity HDD market through superior product offerings or through strategic licensing that becomes indispensable for advanced HDD manufacturing.","faqs":[{"answer":"The **Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns** is a patented apparatus (US-9852747) designed to significantly enhance the precision and accuracy of magnetic data recording. It represents a fundamental innovation in the design of write heads used in hard disk drives (HDDs).\n\nAt its core, this invention introduces a novel architecture for the write head, moving away from conventional monolithic designs. It utilizes a segmented approach, comprising a first module with multiple first write transducers and a series of second modules, each containing a second write transducer. This modularity allows for more nuanced control over the magnetic field generated during the writing process.\n\nThe most distinctive feature of this technology is the specific angular orientation of its components. The planes of deposition of the write gaps of the second write transducers are set at an angle greater than 4 degrees relative to the planes of deposition of the write gaps of the first write transducers. This precise angular offset is crucial for creating sharper, more defined magnetic transitions on the recording media, which is essential for accurate servo pattern writing. This patent aims to address the growing challenges of achieving high areal densities in magnetic storage by improving the foundational precision of the writing mechanism.","question":"What is Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns?"},{"answer":"The **Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns** works by leveraging a unique geometric configuration to achieve superior control over the magnetic field used for writing. In traditional hard drives, tiny magnetic patterns called 'servo patterns' act as navigational guides for the read/write head, ensuring it precisely locates and writes data on the disk.\n\nThis invention's write head is not a single, uniform unit but is cleverly segmented. It has distinct 'first' and 'second' transducer modules. The critical operational aspect is that the 'write gaps' (the tiny areas where the magnetic field is concentrated for writing) of the second transducers are physically oriented at an angle greater than 4 degrees compared to those of the first transducers. This angular difference is key to its functionality.\n\nWhen the segmented write head passes over the magnetic disk, this specific angular offset allows the magnetic field to be shaped and applied with unprecedented precision. It enables the creation of a much steeper magnetic field gradient at the point of writing. A steeper gradient means that the magnetic bits forming the servo patterns are written with very sharp, clean edges, free from distortion. This results in highly accurate, well-defined servo patterns, which in turn allows the read/write head to track data paths with greater precision and reliability, even on extremely narrow tracks.","question":"How does Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns work?"},{"answer":"The **Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns** solves the critical problem of achieving sufficient precision in magnetic writing, particularly for timing-based servo patterns, as hard disk drives (HDDs) strive for ever-higher data densities. As data tracks on a disk become narrower and more tightly packed, the margin for error in writing these essential servo patterns shrinks dramatically.\n\nPrior art write heads often struggle with several issues. They may produce 'fuzzy' or distorted servo patterns due to insufficient control over the magnetic field's gradient, making it difficult for the read/write head to accurately determine its position. This imprecision limits the number of tracks that can be reliably packed onto a disk (i.e., the track per inch or TPI density), thereby capping overall storage capacity. Furthermore, imprecise writing can lead to adjacent track interference (ATI) and increased read/write errors, compromising data reliability and performance.\n\nThis patent directly addresses these limitations by providing a mechanism to write servo patterns with pinpoint accuracy and sharp magnetic transitions. By overcoming this fundamental precision bottleneck, the invention enables the development of HDDs with significantly higher capacities and improved reliability, ensuring the continued viability and competitiveness of magnetic storage in the face of escalating data demands.","question":"What problem does Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns solve?"},{"answer":"The patent **Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns** (US-9852747) does not list specific inventors in the provided data. However, patent filings are typically the result of extensive research and development efforts by teams of engineers and scientists within the assignee organization.\n\nIn the context of the patent system, the 'Inventors' field typically credits the individual(s) who conceived the inventive subject matter. Without this information provided, it's understood to be a collaborative effort within the R&D department of the company that filed the patent.\n\nSuch innovations often emerge from leading technology companies deeply invested in data storage solutions, where highly specialized expertise in magnetic recording physics, materials science, and precision engineering is concentrated. The development of such complex write head architectures requires interdisciplinary collaboration to move from concept to a patentable invention. The assignee, if known, would indicate the corporate entity that owns the rights to this invention, driving its commercialization and further development.","question":"Who invented Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns?"},{"answer":"The **Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns** offers several transformative benefits for data storage technology:\n\nFirstly, and most significantly, it enables **higher storage capacities**. By writing more accurate and finely defined timing-based servo patterns, hard disk drive (HDD) manufacturers can increase the track per inch (TPI) density on magnetic platters. This directly translates to packing more data onto each disk, leading to drives with greater overall storage capacity without increasing their physical size.\n\nSecondly, it dramatically **enhances data reliability and integrity**. Precise servo patterns ensure that the read/write head can accurately locate and follow data tracks, minimizing read/write errors, reducing adjacent track interference (ATI), and ensuring that data is consistently stored and retrieved without corruption. This is crucial for mission-critical applications and long-term data archival.\n\nThirdly, it contributes to **improved performance**. With more accurate servo patterns, the read/write head can settle onto tracks faster, reducing seek times and improving the overall responsiveness of the storage system. This benefit is particularly valuable in data center environments where fast data access is paramount.\n\nFinally, this innovation **future-proofs magnetic recording technology**. By overcoming a fundamental precision bottleneck, it extends the scaling roadmap for HDDs and provides a crucial enabling technology for next-generation recording methods like Heat-Assisted Magnetic Recording (HAMR) and Microwave-Assisted Magnetic Recording (MAMR), which demand even greater write field control.","question":"What are the key benefits of Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns?"},{"answer":"The **Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns** fundamentally differentiates itself from prior art through its unique modular architecture and the specific angular orientation of its write gaps. Prior art in magnetic write heads typically involved monolithic structures or simpler multi-element designs where the magnetic writing elements were largely parallel or co-planar.\n\nConventional write heads, while effective for previous generations of hard disk drives (HDDs), face inherent limitations when trying to achieve the extreme precision required for ultra-high track per inch (TPI) densities. They often struggle to generate sufficiently steep magnetic field gradients, leading to 'fuzzy' servo patterns, and are more susceptible to adjacent track interference (ATI) due to less controlled magnetic fringing fields. These limitations directly cap the achievable storage capacity and data reliability.\n\nIn contrast, this patent introduces a write head composed of distinct 'first' and 'second' modules, each with their respective transducers. The groundbreaking difference is that the write gaps of the second transducers are oriented at an angle greater than 4 degrees relative to those of the first transducers. This precise angular offset is a novel design choice that allows for significantly finer and more localized control over the magnetic field during writing. This enables the creation of much sharper, cleaner, and more accurately positioned servo patterns, a capability that prior art designs could not achieve with the same level of efficacy or simplicity. This distinction is key to unlocking next-generation storage capacities and reliability.","question":"How is Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns different from prior art?"},{"answer":"The **Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns** is poised to have a significant impact across several industries, primarily those with substantial data storage needs and reliance on hard disk drive (HDD) technology.\n\nThe most immediate and profound impact will be on the **Data Storage Industry** itself. HDD manufacturers will leverage this technology to produce higher-capacity, more reliable, and better-performing drives, maintaining their competitiveness against alternative storage solutions like SSDs for bulk storage applications. This will drive innovation in product development and market differentiation.\n\n**Cloud Computing and Data Center Industries** will also experience a major transformation. As data centers continue to expand, the ability to store more data per square foot and per watt of power becomes critical. Drives incorporating this innovation will enable cloud providers to increase their storage density, reduce operational costs (power, cooling, real estate), and offer more robust services to their clients. This is essential for scaling the infrastructure that underpins the digital economy.\n\nFurthermore, industries involved in **Big Data Analytics, Artificial Intelligence (AI), and Machine Learning (ML)** will benefit indirectly. These fields generate and consume vast amounts of data, often requiring large, cost-effective storage solutions for training models and archiving datasets. Higher capacity and more reliable HDDs will provide a more efficient foundation for these data-intensive operations. Essentially, any sector that relies on the efficient and reliable storage of large volumes of data stands to gain from the advancements brought by this patent.","question":"What industries will Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns impact?"},{"answer":"The patent application for the **Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns** (US-9852747) was filed on **September 22, 2016**. The patent was subsequently published and granted on **December 26, 2017**.\n\nThese dates are significant in the lifecycle of an intellectual property. The filing date establishes the priority date for the invention, meaning that this is the earliest date recognized for the claims made in the patent. This is crucial for determining novelty and non-obviousness against prior art. The publication date marks when the patent document becomes publicly accessible, allowing the wider industry and scientific community to review the details of the invention.\n\nThe swift grant date, roughly 15 months after filing, often indicates that the patent examiner found the invention to be clearly novel and non-obvious, addressing a significant technical challenge in a unique way. This timeline reflects the importance and clarity of the innovation presented by the Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns in the field of magnetic recording technology.","question":"When was Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns filed/granted?"},{"answer":"The commercial applications of the **Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns** are extensive, primarily within the realm of high-capacity data storage and related sectors.\n\nThe most direct application is in the **Manufacturing of Hard Disk Drives (HDDs)**. This technology enables HDD manufacturers to produce next-generation drives with significantly higher storage capacities, improved reliability, and enhanced performance. These advanced HDDs will be crucial for meeting the escalating demand for data storage across various markets.\n\n**Enterprise Storage Solutions** will heavily benefit. Data centers, cloud service providers, and large corporations require massive, cost-effective, and highly reliable storage. Drives incorporating this patent will allow these entities to store more data in the same physical footprint, reduce power consumption per terabyte, and lower overall operational costs. This translates to more efficient and scalable data infrastructure for cloud platforms, big data analytics, and archival services.\n\nBeyond enterprise, it also impacts **Consumer Electronics** indirectly. While high-end enterprise drives are the primary focus, the underlying advancements in magnetic recording precision can trickle down to consumer-grade external hard drives, network-attached storage (NAS) devices, and desktop computers, offering users greater storage capacity and improved data integrity for personal backups and media libraries. Ultimately, any commercial venture that depends on efficient, reliable, and scalable bulk data storage stands to leverage the benefits derived from the Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns.","question":"What are the commercial applications of Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns?"},{"answer":"The **Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns** lays a robust foundation for numerous future developments in magnetic recording technology. Its core principle of precise, angularly offset write elements opens doors for continued innovation.\n\nOne key area for future development is the **integration with next-generation recording technologies**. The precision offered by this patent is a critical enabler for Heat-Assisted Magnetic Recording (HAMR) and Microwave-Assisted Magnetic Recording (MAMR). As these technologies become more prevalent, the segmented write head architecture could be further refined to work synergistically with their unique writing mechanisms, providing the ultra-localized and intense magnetic fields required for even higher areal densities.\n\nFurther advancements could involve **dynamic control and adaptability**. Future iterations might incorporate micro-electro-mechanical systems (MEMS) or other actuators to dynamically adjust the angular offset or the relative positions of the segmented transducers in real-time. This could allow for adaptive writing strategies that optimize servo pattern quality based on specific media characteristics, environmental conditions, or even different regions of the disk, leading to even greater precision and performance.\n\nAdditionally, research will likely focus on **materials science and fabrication refinement**. Developing new magnetic alloys and non-magnetic gap materials that can withstand more extreme magnetic fields and thermal conditions, while maintaining precise geometries, will be crucial. Fabrication processes will become even more sophisticated to ensure consistent manufacturing of these complex, multi-module write heads at scale. These developments will ensure that the Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns continues to evolve and push the boundaries of magnetic data storage capacity and reliability well into the future.","question":"What are the future developments expected for Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns?"}],"topics":["Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns","magnetic recording","write head","servo patterns","data storage","incessant","demand","higher"],"tech_cluster":null},"seo":{"title":"Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns - Patent US-9852747","description":"Discover the Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns, boosting HDD capacity & reliability. Detailed analysis of US-9852747.","keywords":["Segmented Magnetic Recording Write Head for Writing Timing-based Servo Patterns","magnetic recording","write head","servo patterns","data storage","HDD innovation","high-density storage","US-9852747","patent analysis","magnetic transducers","areal density","data reliability"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9852747","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9852747","citation_suggestion":"Patentable. \"Segmented magnetic recording write head for writing timing-based servo patterns\" (US-9852747). https://patentable.app/patents/US-9852747","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9852747","json":"https://patentable.app/api/llm-context/US-9852747","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T12:03:29.900Z"}