EP0055331A3 - Method of trimming thin metal resistors - Google Patents
Method of trimming thin metal resistors Download PDFInfo
- Publication number
- EP0055331A3 EP0055331A3 EP81107584A EP81107584A EP0055331A3 EP 0055331 A3 EP0055331 A3 EP 0055331A3 EP 81107584 A EP81107584 A EP 81107584A EP 81107584 A EP81107584 A EP 81107584A EP 0055331 A3 EP0055331 A3 EP 0055331A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- thin metal
- metal resistors
- trimming thin
- trimming
- resistors
- 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.)
- Granted
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
-
- 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
- H01C17/2408—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material by pulsed voltage erosion, e.g. spark erosion
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Apparatuses And Processes For Manufacturing Resistors (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22169580A | 1980-12-31 | 1980-12-31 | |
US221695 | 1980-12-31 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0055331A2 EP0055331A2 (en) | 1982-07-07 |
EP0055331A3 true EP0055331A3 (en) | 1983-05-18 |
EP0055331B1 EP0055331B1 (en) | 1985-05-15 |
Family
ID=22828942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19810107584 Expired EP0055331B1 (en) | 1980-12-31 | 1981-09-23 | Method of trimming thin metal resistors |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0055331B1 (en) |
JP (1) | JPS57121201A (en) |
DE (1) | DE3170519D1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2519776B2 (en) * | 1988-06-17 | 1996-07-31 | 富士通株式会社 | Method and apparatus for evaluating transparent conductive sheet resistance |
KR100971220B1 (en) * | 2009-08-17 | 2010-07-20 | 주식회사 에프티랩 | The inspection method of the capacitive touch screen panel using lc resonance frequency shift |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1149775A (en) * | 1966-09-21 | 1969-04-23 | Associated Semiconductor Mft | Thin film resistors |
DE2344504A1 (en) * | 1973-09-04 | 1975-03-13 | Siemens Ag | Dynamic matching device for thin-film resistors - has HF electrode supplied via HV capacitor and arc-trimming resistance layer |
US4087625A (en) * | 1976-12-29 | 1978-05-02 | International Business Machines Corporation | Capacitive two dimensional tablet with single conductive layer |
FR2376399A1 (en) * | 1977-11-18 | 1978-07-28 | Ibm | Flat plate capacitor construction - has pairs of complementary electrodes defining network of parallel lines of equipotential on surface of support substrate |
-
1981
- 1981-09-23 DE DE8181107584T patent/DE3170519D1/en not_active Expired
- 1981-09-23 EP EP19810107584 patent/EP0055331B1/en not_active Expired
- 1981-10-20 JP JP56166548A patent/JPS57121201A/en active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1149775A (en) * | 1966-09-21 | 1969-04-23 | Associated Semiconductor Mft | Thin film resistors |
DE2344504A1 (en) * | 1973-09-04 | 1975-03-13 | Siemens Ag | Dynamic matching device for thin-film resistors - has HF electrode supplied via HV capacitor and arc-trimming resistance layer |
US4087625A (en) * | 1976-12-29 | 1978-05-02 | International Business Machines Corporation | Capacitive two dimensional tablet with single conductive layer |
FR2376399A1 (en) * | 1977-11-18 | 1978-07-28 | Ibm | Flat plate capacitor construction - has pairs of complementary electrodes defining network of parallel lines of equipotential on surface of support substrate |
Non-Patent Citations (1)
Title |
---|
IBM TECHNICAL DISLCOSURE BULLETIN, vol. 23, no. 2, July 1980, pages 666-667, New York (USA); * |
Also Published As
Publication number | Publication date |
---|---|
JPS57121201A (en) | 1982-07-28 |
DE3170519D1 (en) | 1985-06-20 |
JPS6117124B2 (en) | 1986-05-06 |
EP0055331A2 (en) | 1982-07-07 |
EP0055331B1 (en) | 1985-05-15 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 19810923 |
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AK | Designated contracting states |
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PUAL | Search report despatched |
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AK | Designated contracting states |
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GRAA | (expected) grant |
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AK | Designated contracting states |
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PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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STAA | Information on the status of an ep patent application or granted ep patent |
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