JPS5271976A - Semiconductor device - Google Patents

Semiconductor device

Info

Publication number
JPS5271976A
JPS5271976A JP14799275A JP14799275A JPS5271976A JP S5271976 A JPS5271976 A JP S5271976A JP 14799275 A JP14799275 A JP 14799275A JP 14799275 A JP14799275 A JP 14799275A JP S5271976 A JPS5271976 A JP S5271976A
Authority
JP
Japan
Prior art keywords
semiconductor device
pattems
anodization
japio
letters
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP14799275A
Inventor
Masaru Nakamura
Original Assignee
Nec Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nec Corp filed Critical Nec Corp
Priority to JP14799275A priority Critical patent/JPS5271976A/en
Publication of JPS5271976A publication Critical patent/JPS5271976A/en
Application status is Pending legal-status Critical

Links

Abstract

PURPOSE: To identify the name, type, etc. of semiconductor devices by forming undulation pattems expressing symbols and letters through anodization of an Al film on the rear of a semiconductor substrate formed on its front surface with a wiring layer.
COPYRIGHT: (C)1977,JPO&Japio
JP14799275A 1975-12-11 1975-12-11 Semiconductor device Pending JPS5271976A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14799275A JPS5271976A (en) 1975-12-11 1975-12-11 Semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14799275A JPS5271976A (en) 1975-12-11 1975-12-11 Semiconductor device

Publications (1)

Publication Number Publication Date
JPS5271976A true JPS5271976A (en) 1977-06-15

Family

ID=15442697

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14799275A Pending JPS5271976A (en) 1975-12-11 1975-12-11 Semiconductor device

Country Status (1)

Country Link
JP (1) JPS5271976A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6933041B2 (en) * 1998-03-03 2005-08-23 Acktar Ltd. Method for producing high surface area foil electrodes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6933041B2 (en) * 1998-03-03 2005-08-23 Acktar Ltd. Method for producing high surface area foil electrodes

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