JPS5735333A - Inspection equipment of semiconductor wafer - Google Patents

Inspection equipment of semiconductor wafer

Info

Publication number
JPS5735333A
JPS5735333A JP11060780A JP11060780A JPS5735333A JP S5735333 A JPS5735333 A JP S5735333A JP 11060780 A JP11060780 A JP 11060780A JP 11060780 A JP11060780 A JP 11060780A JP S5735333 A JPS5735333 A JP S5735333A
Authority
JP
Japan
Prior art keywords
laser beam
mark
chip
wafer
laser
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.)
Granted
Application number
JP11060780A
Other languages
English (en)
Japanese (ja)
Other versions
JPS621247B2 (OSRAM
Inventor
Kimio Meguro
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP11060780A priority Critical patent/JPS5735333A/ja
Publication of JPS5735333A publication Critical patent/JPS5735333A/ja
Publication of JPS621247B2 publication Critical patent/JPS621247B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H10P74/00—

Landscapes

  • Testing Or Measuring Of Semiconductors Or The Like (AREA)
JP11060780A 1980-08-12 1980-08-12 Inspection equipment of semiconductor wafer Granted JPS5735333A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11060780A JPS5735333A (en) 1980-08-12 1980-08-12 Inspection equipment of semiconductor wafer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11060780A JPS5735333A (en) 1980-08-12 1980-08-12 Inspection equipment of semiconductor wafer

Publications (2)

Publication Number Publication Date
JPS5735333A true JPS5735333A (en) 1982-02-25
JPS621247B2 JPS621247B2 (OSRAM) 1987-01-12

Family

ID=14540116

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11060780A Granted JPS5735333A (en) 1980-08-12 1980-08-12 Inspection equipment of semiconductor wafer

Country Status (1)

Country Link
JP (1) JPS5735333A (OSRAM)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0248485A (ja) * 1988-08-09 1990-02-19 Mitsutoyo Corp セラミックスのマーキング方法
JPH04287338A (ja) * 1991-03-15 1992-10-12 Nec Yamagata Ltd 半導体ウェーハプロービング装置
JPH04288846A (ja) * 1991-03-18 1992-10-13 Nec Yamagata Ltd 半導体ウェーハプロービング装置
JPH08330367A (ja) * 1995-05-31 1996-12-13 Nec Yamagata Ltd 半導体ウェハのマーキング装置及びそのマーキング方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06250768A (ja) * 1993-02-23 1994-09-09 Nec Corp キーボード装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0248485A (ja) * 1988-08-09 1990-02-19 Mitsutoyo Corp セラミックスのマーキング方法
JPH04287338A (ja) * 1991-03-15 1992-10-12 Nec Yamagata Ltd 半導体ウェーハプロービング装置
JPH04288846A (ja) * 1991-03-18 1992-10-13 Nec Yamagata Ltd 半導体ウェーハプロービング装置
JPH08330367A (ja) * 1995-05-31 1996-12-13 Nec Yamagata Ltd 半導体ウェハのマーキング装置及びそのマーキング方法

Also Published As

Publication number Publication date
JPS621247B2 (OSRAM) 1987-01-12

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