ZA734894B - Improvements in or relating to methods of manufacturing electric resistance elements - Google Patents
Improvements in or relating to methods of manufacturing electric resistance elementsInfo
- Publication number
- ZA734894B ZA734894B ZA734894A ZA734894A ZA734894B ZA 734894 B ZA734894 B ZA 734894B ZA 734894 A ZA734894 A ZA 734894A ZA 734894 A ZA734894 A ZA 734894A ZA 734894 B ZA734894 B ZA 734894B
- Authority
- ZA
- South Africa
- Prior art keywords
- relating
- methods
- electric resistance
- resistance elements
- manufacturing electric
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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)
- Laser Beam Processing (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Laser Surgery Devices (AREA)
- Optical Elements Other Than Lenses (AREA)
- Optical Integrated Circuits (AREA)
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 |
|---|---|
| ZA734894B true ZA734894B (en) | 1974-06-26 |
Family
ID=5852726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA734894A ZA734894B (en) | 1972-08-04 | 1973-07-18 | Improvements in or relating to methods of manufacturing electric resistance elements |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS4959257A (cs) |
| AT (1) | AT322675B (cs) |
| BE (1) | BE803194A (cs) |
| BR (1) | BR7305339D0 (cs) |
| ES (1) | ES417541A1 (cs) |
| FR (1) | FR2195041B1 (cs) |
| GB (1) | GB1440022A (cs) |
| HU (1) | HU169621B (cs) |
| IT (1) | IT992728B (cs) |
| LU (1) | LU66978A1 (cs) |
| NL (1) | NL7306267A (cs) |
| SU (1) | SU574174A3 (cs) |
| ZA (1) | ZA734894B (cs) |
Families Citing this family (3)
| 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. |
| US7600527B2 (en) * | 2005-04-01 | 2009-10-13 | Fike Corporation | Reverse acting rupture disc with laser-defined electropolished line of weakness and method of forming the line of weakness |
-
1973
- 1973-02-06 LU LU66978A patent/LU66978A1/xx unknown
- 1973-04-12 AT AT323673A patent/AT322675B/de active
- 1973-05-04 NL NL7306267A patent/NL7306267A/xx unknown
- 1973-06-15 GB GB2848773A patent/GB1440022A/en not_active Expired
- 1973-07-17 BR BR5339/73A patent/BR7305339D0/pt unknown
- 1973-07-18 ZA ZA734894A patent/ZA734894B/xx unknown
- 1973-07-27 IT IT27168/73A patent/IT992728B/it active
- 1973-08-01 FR FR7328195A patent/FR2195041B1/fr not_active Expired
- 1973-08-02 JP JP48087189A patent/JPS4959257A/ja active Pending
- 1973-08-03 SU SU7301956704A patent/SU574174A3/ru active
- 1973-08-03 HU HUSI1334A patent/HU169621B/hu unknown
- 1973-08-03 BE BE134215A patent/BE803194A/xx unknown
- 1973-08-03 ES ES417541A patent/ES417541A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SU574174A3 (ru) | 1977-09-25 |
| JPS4959257A (cs) | 1974-06-08 |
| GB1440022A (en) | 1976-06-23 |
| FR2195041B1 (cs) | 1977-09-09 |
| ES417541A1 (es) | 1976-03-01 |
| BE803194A (fr) | 1973-12-03 |
| DE2238557A1 (de) | 1974-02-21 |
| LU66978A1 (cs) | 1973-04-19 |
| BR7305339D0 (pt) | 1974-08-22 |
| DE2238557B2 (de) | 1976-07-08 |
| AT322675B (de) | 1975-06-10 |
| IT992728B (it) | 1975-09-30 |
| NL7306267A (cs) | 1974-02-06 |
| HU169621B (cs) | 1976-12-28 |
| FR2195041A1 (cs) | 1974-03-01 |
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