ES417541A1 - Perfeccionamientos en la construccion de dispositivos para fabricar elementos de resistencia electrica. - Google Patents

Perfeccionamientos en la construccion de dispositivos para fabricar elementos de resistencia electrica.

Info

Publication number
ES417541A1
ES417541A1 ES417541A ES417541A ES417541A1 ES 417541 A1 ES417541 A1 ES 417541A1 ES 417541 A ES417541 A ES 417541A ES 417541 A ES417541 A ES 417541A ES 417541 A1 ES417541 A1 ES 417541A1
Authority
ES
Spain
Prior art keywords
optical path
methods
electric resistance
resistance elements
manufacturing electric
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.)
Expired
Application number
ES417541A
Other languages
English (en)
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of ES417541A1 publication Critical patent/ES417541A1/es
Expired legal-status Critical Current

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)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (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 Beam Processing (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Laser Surgery Devices (AREA)
ES417541A 1972-08-04 1973-08-03 Perfeccionamientos en la construccion de dispositivos para fabricar elementos de resistencia electrica. Expired ES417541A1 (es)

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
ES417541A1 true ES417541A1 (es) 1976-03-01

Family

ID=5852726

Family Applications (1)

Application Number Title Priority Date Filing Date
ES417541A Expired ES417541A1 (es) 1972-08-04 1973-08-03 Perfeccionamientos en la construccion de dispositivos para fabricar elementos de resistencia electrica.

Country Status (13)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1060668A (en) * 1975-10-28 1979-08-21 Albert S. Ashmead Method of forming a knitting needle latch pivot
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
HU169621B (es) 1976-12-28
IT992728B (it) 1975-09-30
FR2195041A1 (es) 1974-03-01
BR7305339D0 (pt) 1974-08-22
NL7306267A (es) 1974-02-06
BE803194A (fr) 1973-12-03
GB1440022A (en) 1976-06-23
DE2238557B2 (de) 1976-07-08
JPS4959257A (es) 1974-06-08
SU574174A3 (ru) 1977-09-25
LU66978A1 (es) 1973-04-19
AT322675B (de) 1975-06-10
DE2238557A1 (de) 1974-02-21
ZA734894B (en) 1974-06-26
FR2195041B1 (es) 1977-09-09

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