SCR type ESD protection device for PMOS triggering and internal voltage clamping
A technology of internal voltage and devices, which is applied in the field of SCR ESD protection devices, can solve the problems of small working window, high trigger voltage and low sustain voltage, and achieve the effects of avoiding latch-up effect, reducing trigger voltage and increasing sustain voltage
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0014] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0015] like figure 2 As shown, the present invention designs a SCR type ESD protection device that triggers PMOS and clamps the internal voltage. In practical applications, it specifically includes P substrate 10 (P-sub), N well 11 (NW), P well 12 ( PW), the first N+ implantation region 13, the first P+ implantation region 14, the second P+ implantation region 15, the third P+ implantation region 16, the second N+ implantation region 17, the third N+ implantation region 18, the fourth P+ implantation region 19. The first field oxygen isolation region 20, the second field oxygen isolation region 21, the third field oxygen isolation region 22, the fourth field oxygen isolation region 23, the fifth field oxygen isolation region 24, the first polysilicon gate 25, The first thin gate oxide layer 26, the second polysilicon g...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com