JPS5529581B2 - - Google Patents

Info

Publication number
JPS5529581B2
JPS5529581B2 JP2208972A JP2208972A JPS5529581B2 JP S5529581 B2 JPS5529581 B2 JP S5529581B2 JP 2208972 A JP2208972 A JP 2208972A JP 2208972 A JP2208972 A JP 2208972A JP S5529581 B2 JPS5529581 B2 JP S5529581B2
Authority
JP
Japan
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.)
Expired
Application number
JP2208972A
Other languages
Japanese (ja)
Other versions
JPS4942277A (en
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 filed Critical
Priority to JP2208972A priority Critical patent/JPS5529581B2/ja
Publication of JPS4942277A publication Critical patent/JPS4942277A/ja
Publication of JPS5529581B2 publication Critical patent/JPS5529581B2/ja
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/362—Laser etching
    • B23K26/364—Laser etching for making a groove or trench, e.g. for scribing a break initiation groove

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)
  • Dicing (AREA)
  • Lasers (AREA)
JP2208972A 1972-03-03 1972-03-03 Expired JPS5529581B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2208972A JPS5529581B2 (en) 1972-03-03 1972-03-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2208972A JPS5529581B2 (en) 1972-03-03 1972-03-03

Publications (2)

Publication Number Publication Date
JPS4942277A JPS4942277A (en) 1974-04-20
JPS5529581B2 true JPS5529581B2 (en) 1980-08-05

Family

ID=12073136

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2208972A Expired JPS5529581B2 (en) 1972-03-03 1972-03-03

Country Status (1)

Country Link
JP (1) JPS5529581B2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL185118C (en) * 1979-06-07 1990-01-16 Philips Nv SEMICONDUCTOR SWITCHING DEVICE FOR CONDUCTING AND AMPLIFYING RADIATION.
JPS56112784A (en) * 1980-02-08 1981-09-05 Nec Corp Semiconductor laser
JPS57163216A (en) * 1981-04-01 1982-10-07 Nippon Telegr & Teleph Corp <Ntt> Optical matrix switch
JPS58137246A (en) * 1982-02-09 1983-08-15 Nippon Telegr & Teleph Corp <Ntt> Optical matrix-switch
JPS6051822A (en) * 1983-08-31 1985-03-23 Yokogawa Hokushin Electric Corp Light control element and its manufacture
JPS60129725A (en) * 1983-12-16 1985-07-11 Agency Of Ind Science & Technol Surface field-effect device
JPS6191623A (en) * 1984-10-12 1986-05-09 Nippon Telegr & Teleph Corp <Ntt> Optical switch element

Also Published As

Publication number Publication date
JPS4942277A (en) 1974-04-20

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