SU574174A3 - Устройство дл нарезани спиральной канавки на заготовках пленочных резисторов - Google Patents

Устройство дл нарезани спиральной канавки на заготовках пленочных резисторов

Info

Publication number
SU574174A3
SU574174A3 SU7301956704A SU1956704A SU574174A3 SU 574174 A3 SU574174 A3 SU 574174A3 SU 7301956704 A SU7301956704 A SU 7301956704A SU 1956704 A SU1956704 A SU 1956704A SU 574174 A3 SU574174 A3 SU 574174A3
Authority
SU
USSR - Soviet Union
Prior art keywords
beams
mirrors
conductive layer
partial
around
Prior art date
Application number
SU7301956704A
Other languages
English (en)
Russian (ru)
Inventor
Энгл Альфред
Март Курт
Original Assignee
Сименс Аг (Фирма)
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
Priority claimed from DE19722238557 external-priority patent/DE2238557C3/de
Application filed by Сименс Аг (Фирма) filed Critical Сименс Аг (Фирма)
Application granted granted Critical
Publication of SU574174A3 publication Critical patent/SU574174A3/ru

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/22—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming
    • H01C17/24—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material
    • 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
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/0823—Devices involving rotation of the workpiece
    • 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
    • B23K26/351—Working by laser beam, e.g. welding, cutting or boring for trimming or tuning of electrical components

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Optical Integrated Circuits (AREA)
  • Laser Surgery Devices (AREA)
  • Laser Beam Processing (AREA)
  • Manufacturing Optical Record Carriers (AREA)
SU7301956704A 1972-08-04 1973-08-03 Устройство дл нарезани спиральной канавки на заготовках пленочных резисторов SU574174A3 (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722238557 DE2238557C3 (de) 1972-08-04 Verfahren und Vorrichtung zum Abgleichen von zylindrischen Schichtwiderständen

Publications (1)

Publication Number Publication Date
SU574174A3 true SU574174A3 (ru) 1977-09-25

Family

ID=5852726

Family Applications (1)

Application Number Title Priority Date Filing Date
SU7301956704A SU574174A3 (ru) 1972-08-04 1973-08-03 Устройство дл нарезани спиральной канавки на заготовках пленочных резисторов

Country Status (13)

Country Link
JP (1) JPS4959257A (fr)
AT (1) AT322675B (fr)
BE (1) BE803194A (fr)
BR (1) BR7305339D0 (fr)
ES (1) ES417541A1 (fr)
FR (1) FR2195041B1 (fr)
GB (1) GB1440022A (fr)
HU (1) HU169621B (fr)
IT (1) IT992728B (fr)
LU (1) LU66978A1 (fr)
NL (1) NL7306267A (fr)
SU (1) SU574174A3 (fr)
ZA (1) ZA734894B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1060668A (fr) * 1975-10-28 1979-08-21 Albert S. Ashmead Methode de fabrication du clapet d'alguilles de machines a tricoter
FR2679477B1 (fr) * 1991-07-26 1995-11-17 Aerospatiale Procede de decoupe par faisceau laser d'un materiau recouvrant un substrat et dispositifs pour sa mise en óoeuvre.

Also Published As

Publication number Publication date
JPS4959257A (fr) 1974-06-08
ZA734894B (en) 1974-06-26
FR2195041B1 (fr) 1977-09-09
BR7305339D0 (pt) 1974-08-22
BE803194A (fr) 1973-12-03
DE2238557B2 (de) 1976-07-08
AT322675B (de) 1975-06-10
IT992728B (it) 1975-09-30
NL7306267A (fr) 1974-02-06
LU66978A1 (fr) 1973-04-19
FR2195041A1 (fr) 1974-03-01
DE2238557A1 (de) 1974-02-21
ES417541A1 (es) 1976-03-01
GB1440022A (en) 1976-06-23
HU169621B (fr) 1976-12-28

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