JPS54121055A - Writing metod of identifying symbols or characters to semiconductor crystal wafer - Google Patents

Writing metod of identifying symbols or characters to semiconductor crystal wafer

Info

Publication number
JPS54121055A
JPS54121055A JP2825078A JP2825078A JPS54121055A JP S54121055 A JPS54121055 A JP S54121055A JP 2825078 A JP2825078 A JP 2825078A JP 2825078 A JP2825078 A JP 2825078A JP S54121055 A JPS54121055 A JP S54121055A
Authority
JP
Japan
Prior art keywords
writing
characters
metod
identifying symbols
semiconductor crystal
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
JP2825078A
Other languages
English (en)
Inventor
Akira Miura
Tanji Okawa
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP2825078A priority Critical patent/JPS54121055A/ja
Publication of JPS54121055A publication Critical patent/JPS54121055A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Semiconductor Integrated Circuits (AREA)
JP2825078A 1978-03-14 1978-03-14 Writing metod of identifying symbols or characters to semiconductor crystal wafer Pending JPS54121055A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2825078A JPS54121055A (en) 1978-03-14 1978-03-14 Writing metod of identifying symbols or characters to semiconductor crystal wafer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2825078A JPS54121055A (en) 1978-03-14 1978-03-14 Writing metod of identifying symbols or characters to semiconductor crystal wafer

Publications (1)

Publication Number Publication Date
JPS54121055A true JPS54121055A (en) 1979-09-19

Family

ID=12243322

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2825078A Pending JPS54121055A (en) 1978-03-14 1978-03-14 Writing metod of identifying symbols or characters to semiconductor crystal wafer

Country Status (1)

Country Link
JP (1) JPS54121055A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4594263A (en) * 1984-12-17 1986-06-10 Motorola, Inc. Laser marking method and ablative coating for use therein

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4594263A (en) * 1984-12-17 1986-06-10 Motorola, Inc. Laser marking method and ablative coating for use therein

Similar Documents

Publication Publication Date Title
JPS5271871A (en) Washing apparatus
JPS51111072A (en) Photo etching method
JPS5211232A (en) Cross-linkable emulsion
JPS5267969A (en) Manufacture of semiconductor unit
JPS54121055A (en) Writing metod of identifying symbols or characters to semiconductor crystal wafer
JPS51135185A (en) Washing device
JPS51139263A (en) Method of selective oxidation of silicon substrate
JPS525809A (en) Dry-cleaning solvent composition
JPS5423657A (en) Emulsified organopolysiloxane composition
JPS51140199A (en) Crystal working process
JPS5222598A (en) Etching method of chromium oxide
JPS5210332A (en) Fluoro-resin coating composition
JPS522069A (en) Method of manufacturing wiper
JPS51118100A (en) Manufacturing process of plipreg sheet for electrical insulation
JPS5239371A (en) Method for selective diffusion
JPS5278906A (en) Solvent composition for dry cleaning
JPS5242367A (en) Method of preventing occurence of crystal defects of silicon wafers
JPS51150771A (en) Dry ing furnace
JPS52135434A (en) Glass brazing method on seethe heater terminals
JPS53142168A (en) Reproductive use of semiconductor substrate
JPS5227362A (en) Formation method of passivation film
JPS5266379A (en) Photo etching
JPS51137961A (en) Circulating type paint drying furnace
JPS52117550A (en) Electrode formation method
JPS5252569A (en) Method of imprity diffusion for semiconductor substrate