Back-to-back NPN/PNP protection diodes

Details Back-to-back NPN/PNP protection diodes Back-to-back NPN/PNP protection diodes

2007-10-23

2007-10-23

Chaudhari, Chandra (Department: 2891)

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Having insulated electrode

C257SE27016

Reexamination Certificate

active

11194449

ABSTRACT:
A device includes a memory device and an NPN or PNP diode coupled to a word-line of the memory device. The NPN or PNP diode reduces device damage and performance impairment that may result from device charging by drawing charges away from the memory device.

REFERENCES:
patent: 5900665 (1999-05-01), Tobita
patent: 5994741 (1999-11-01), Koizumi et al.
patent: 2005/0121725 (2005-06-01), Ando et al.
patent: 2006/0145263 (2006-07-01), Chou

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