Semiconductor memory element, semiconductor memory device...

Details Semiconductor memory element, semiconductor memory device... Semiconductor memory element, semiconductor memory device...

2006-08-08

2009-10-06

Prenty, Mark (Department: 2822)

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

Field effect device

Having insulated electrode

C257SE21689

Reexamination Certificate

active

07598565

ABSTRACT:
It is an object to provide a semiconductor memory device having a highly reliable and small-sized involatile memory by realizing a semiconductor memory element which restrains extreme concentration of an electric field onto a surface of activating layer in a channel region and is very minute. Further, it is an object thereof to provide a highly reliable and small-sized semiconductor memory device. There is fabricated a semiconductor memory element in which a surface of an activating layer is flat and which is very minute by using a crystallizing process of a semiconductor activating layer for adding a metal element onto a substrate having an insulating surface to subject to a heating processing and thereafter carrying out continuous oscillating laser irradiation. By using such a semiconductor memory element, a highly reliable and small-sized involatile memory and a semiconductor memory device having the involatile memory are provided.

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