Nonvolatile semiconductor memory device and a method of the same

• Main Authors: HARAGUCHI KEIICHI, KANAMITSU KENJI, KATO MASATAKA
• Format: Patent
• Language: English
• Published: 24.10.2006
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; INFORMATION STORAGE; PHYSICS; SEMICONDUCTOR DEVICES; STATIC STORES

A reduction in size nonvolatile semiconductors for use in a memory device and an increase in the capacity thereof are promoted. Each memory cell of a flash memory is provided with a field effect transistor having a first gate insulator film formed on a p-type well, a selector gate which is formed on...