{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8482106","patent":{"patent_number":"US-8482106","title":"Method for producing ceramic passivation layers on silicon for solar cell manufacture","assignee":null,"inventors":[],"filing_date":"2009-08-26T00:00:00.000Z","publication_date":"2013-07-09T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L","H01L"],"num_claims":9,"abstract":"The invention relates to a method for producing passivation layers on crystalline silicon by a) coating the silicon with a solution containing at least one polysilazane of the general formula (1): —(SiR′R″—NR′″)-n, wherein R′, R″, R′″ are the same or different and stand independently of each other for hydrogen or a possibly substituted alkyl, aryl, vinyl, or (trialkoxysilyl)alkyl group, wherein n is an integer and n is chosen such that the polysilazane has a number average molecular weight of 150 to 150,000 g/mol, b) subsequently removing the solvent by evaporation, whereby polysilazane layers of 50-500 nm thickness remain on the silicon wafer, and c) heating the polysilazane layer at normal pressure to 200-1000° C. in the presence of air or nitrogen, wherein upon tempering the ceramic layers release hydrogen for bulk passivation of the silicon."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method for producing ceramic passivation layers on silicon for solar cell manufacture","description":"The invention relates to a method for producing passivation layers on crystalline silicon by a) coating the silicon with a solution containing at least one polysilazane of the general formula (1): —(S","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8482106","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-8482106","citation_suggestion":"Patentable. \"Method for producing ceramic passivation layers on silicon for solar cell manufacture\" (US-8482106). https://patentable.app/patents/US-8482106","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8482106","json":"https://patentable.app/api/llm-context/US-8482106","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T16:18:14.328Z"}