FIELD: semiconductor devices. SUBSTANCE: two design versions of devices built around transistors of same polarity of conductivity as substrate and used for turning on high voltage (- Vpp) such as programming voltage across word line of flash storage are described. EFFECT: provision for dispensing with deep insulating baths requiring special technology. 6 cl, 3 dwg
Authors
Dates
1999-09-10—Published
1995-12-29—Filed