FR2271645A1 - - Google Patents
Info
- Publication number
- FR2271645A1 FR2271645A1 FR7516253A FR7516253A FR2271645A1 FR 2271645 A1 FR2271645 A1 FR 2271645A1 FR 7516253 A FR7516253 A FR 7516253A FR 7516253 A FR7516253 A FR 7516253A FR 2271645 A1 FR2271645 A1 FR 2271645A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/06—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base
- H01C17/20—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by pyrolytic processes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/04—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49082—Resistor making
- Y10T29/49085—Thermally variable
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermistors And Varistors (AREA)
- Chemical Vapour Deposition (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT22856/74A IT1012467B (it) | 1974-05-17 | 1974-05-17 | Procedimento per ottenere termi stori |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2271645A1 true FR2271645A1 (enExample) | 1975-12-12 |
| FR2271645B1 FR2271645B1 (enExample) | 1981-09-25 |
Family
ID=11201225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7516253A Expired FR2271645B1 (enExample) | 1974-05-17 | 1975-05-16 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3981071A (enExample) |
| JP (1) | JPS5830721B2 (enExample) |
| DE (1) | DE2521704C3 (enExample) |
| FR (1) | FR2271645B1 (enExample) |
| GB (1) | GB1505163A (enExample) |
| IT (1) | IT1012467B (enExample) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE660146C (de) * | 1935-06-19 | 1938-05-19 | Siemens & Halske Akt Ges | Die Verwendung an sich bekannter gekreuzter Draehte als traegheitsarmer Widerstand mit negativem Temperaturkoeffizienten |
| DE706841C (de) * | 1936-12-24 | 1941-06-06 | Int Standard Electric Corp | Elektrischer Widerstand |
| BE586067A (enExample) * | 1959-12-28 | 1960-01-15 | ||
| DE1415661A1 (de) * | 1962-09-28 | 1968-10-10 | Carborundum Co | Halbleiter |
| NL6409742A (enExample) * | 1963-08-22 | 1965-02-23 | ||
| US3865550A (en) * | 1970-08-26 | 1975-02-11 | Nat Res Dev | Semi-conducting gas sensitive devices |
| DE2210742A1 (de) * | 1972-03-06 | 1973-09-20 | Siemens Ag | Verfahren zur herstellung von metallbzw. metallegierungs-kohlenstoff-widerstaenden |
-
1974
- 1974-05-17 IT IT22856/74A patent/IT1012467B/it active
-
1975
- 1975-03-25 US US05/561,940 patent/US3981071A/en not_active Expired - Lifetime
- 1975-05-15 JP JP50058499A patent/JPS5830721B2/ja not_active Expired
- 1975-05-15 DE DE2521704A patent/DE2521704C3/de not_active Expired
- 1975-05-16 GB GB20779/75A patent/GB1505163A/en not_active Expired
- 1975-05-16 FR FR7516253A patent/FR2271645B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1505163A (en) | 1978-03-30 |
| US3981071A (en) | 1976-09-21 |
| DE2521704A1 (de) | 1975-11-27 |
| DE2521704B2 (de) | 1981-05-14 |
| DE2521704C3 (de) | 1982-03-11 |
| JPS50160766A (enExample) | 1975-12-26 |
| FR2271645B1 (enExample) | 1981-09-25 |
| JPS5830721B2 (ja) | 1983-07-01 |
| IT1012467B (it) | 1977-03-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |