JPS5372567A - Semiconductor device - Google Patents

Semiconductor device

Info

Publication number
JPS5372567A
JPS5372567A JP14885276A JP14885276A JPS5372567A JP S5372567 A JPS5372567 A JP S5372567A JP 14885276 A JP14885276 A JP 14885276A JP 14885276 A JP14885276 A JP 14885276A JP S5372567 A JPS5372567 A JP S5372567A
Authority
JP
Japan
Prior art keywords
semiconductor device
wafer
providing
prevent breakage
reinforcing protrusion
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
JP14885276A
Other languages
Japanese (ja)
Inventor
Masaaki Sadamori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP14885276A priority Critical patent/JPS5372567A/en
Publication of JPS5372567A publication Critical patent/JPS5372567A/en
Pending legal-status Critical Current

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  • Thyristors (AREA)

Abstract

PURPOSE: To prevent breakage of the wafer by providing a reinforcing protrusion on one surface of a semiconductor wafer.
COPYRIGHT: (C)1978,JPO&Japio
JP14885276A 1976-12-10 1976-12-10 Semiconductor device Pending JPS5372567A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14885276A JPS5372567A (en) 1976-12-10 1976-12-10 Semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14885276A JPS5372567A (en) 1976-12-10 1976-12-10 Semiconductor device

Publications (1)

Publication Number Publication Date
JPS5372567A true JPS5372567A (en) 1978-06-28

Family

ID=15462170

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14885276A Pending JPS5372567A (en) 1976-12-10 1976-12-10 Semiconductor device

Country Status (1)

Country Link
JP (1) JPS5372567A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007129110A (en) * 2005-11-04 2007-05-24 Semiconductor Energy Lab Co Ltd Method for manufacturing semiconductor device
JP2009295696A (en) * 2008-06-03 2009-12-17 Sumco Corp Silicon wafer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007129110A (en) * 2005-11-04 2007-05-24 Semiconductor Energy Lab Co Ltd Method for manufacturing semiconductor device
US8168512B2 (en) 2005-11-04 2012-05-01 Semiconductor Energy Laboratory Co., Ltd. Manufacturing method of semiconductor device
JP2009295696A (en) * 2008-06-03 2009-12-17 Sumco Corp Silicon wafer

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