Invention Grant
- Patent Title: Electrically programmable memory cell arrangement and method for its manufacture
- Patent Title (中): 电可编程存储单元布置及其制造方法
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Application No.: US779446Application Date: 1997-01-07
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Publication No.: US5959328APublication Date: 1999-09-28
- Inventor: Wolfgang Krautschneider , Lothar Risch , Franz Hofmann , Hans Reisinger
- Applicant: Wolfgang Krautschneider , Lothar Risch , Franz Hofmann , Hans Reisinger
- Applicant Address: DEX Munich
- Assignee: Siemens Aktiengesellschaft
- Current Assignee: Siemens Aktiengesellschaft
- Current Assignee Address: DEX Munich
- Priority: DEX19600422 19960108
- Main IPC: H01L21/8247
- IPC: H01L21/8247 ; H01L21/8246 ; H01L29/788 ; H01L29/792 ; H01L29/76
Abstract:
An electrically programmable memory cell arrangement has a plurality of individual memory cells that respectively has an MOS transistor with a gate dielectric with traps, and which are arranged in rows that run in parallel. Adjacent rows thereby respectively run in alternating fashion on the bottom of the longitudinal trenches (5) and between adjacent longitudinal trenches (5) and are insulated against one another. The memory cell arrangement can be manufactured by means of self-adjusting process steps with a surface requirement per memory cell of 2 F.sup.2 (F: minimum structural size).
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