SE448784B - Anordning for automatiskt tjockleksmetning av en metallfilm - Google Patents
Anordning for automatiskt tjockleksmetning av en metallfilmInfo
- Publication number
- SE448784B SE448784B SE7906144A SE7906144A SE448784B SE 448784 B SE448784 B SE 448784B SE 7906144 A SE7906144 A SE 7906144A SE 7906144 A SE7906144 A SE 7906144A SE 448784 B SE448784 B SE 448784B
- Authority
- SE
- Sweden
- Prior art keywords
- current
- circuit
- value
- test piece
- input
- Prior art date
Links
- 238000012360 testing method Methods 0.000 claims description 45
- 239000003990 capacitor Substances 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 6
- 230000004913 activation Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 238000004146 energy storage Methods 0.000 claims 2
- 238000007599 discharging Methods 0.000 claims 1
- 239000010949 copper Substances 0.000 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 238000000576 coating method Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000004927 clay Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0266—Marks, test patterns or identification means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/42—Plated through-holes or plated via connections
- H05K3/422—Plated through-holes or plated via connections characterised by electroless plating method; pretreatment therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US92607478A | 1978-07-19 | 1978-07-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7906144L SE7906144L (sv) | 1980-01-20 |
| SE448784B true SE448784B (sv) | 1987-03-16 |
Family
ID=25452709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7906144A SE448784B (sv) | 1978-07-19 | 1979-07-16 | Anordning for automatiskt tjockleksmetning av en metallfilm |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5923363B2 (de) |
| AT (1) | AT377885B (de) |
| AU (1) | AU3884378A (de) |
| BR (1) | BR7805509A (de) |
| CH (1) | CH640343A5 (de) |
| DE (1) | DE2929567C2 (de) |
| FR (1) | FR2431679A1 (de) |
| GB (1) | GB2027212B (de) |
| IT (1) | IT7949804A0 (de) |
| NL (1) | NL7904876A (de) |
| SE (1) | SE448784B (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5495178A (en) * | 1992-11-10 | 1996-02-27 | Cheng; David | Method and apparatus for measuring film thickness |
| US5691648A (en) * | 1992-11-10 | 1997-11-25 | Cheng; David | Method and apparatus for measuring sheet resistance and thickness of thin films and substrates |
| CN108712830B (zh) * | 2018-05-30 | 2021-02-26 | 广东天承科技股份有限公司 | 一种电路板的无钯化学镀铜工艺 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3365663A (en) * | 1962-06-29 | 1968-01-23 | Shin Mitsubishi Jukogyo Kk | Thickness measuring instrument for electro-conductive objects and associated methods |
| US4042880A (en) * | 1974-01-07 | 1977-08-16 | Unit Process Assemblies, Inc. | Electrode assembly for measuring the effective thickness of thru-hole plating circuit board workpieces |
| JPS5262045A (en) * | 1975-11-17 | 1977-05-23 | Oki Electric Ind Co Ltd | Measuring thickness of non-electrolytic copper plating of through-hole substrate |
-
1978
- 1978-08-11 AU AU38843/78A patent/AU3884378A/en active Pending
- 1978-08-24 BR BR7805509A patent/BR7805509A/pt unknown
- 1978-08-25 JP JP53104312A patent/JPS5923363B2/ja not_active Expired
-
1979
- 1979-06-21 NL NL7904876A patent/NL7904876A/nl not_active Application Discontinuation
- 1979-07-16 GB GB7924748A patent/GB2027212B/en not_active Expired
- 1979-07-16 SE SE7906144A patent/SE448784B/sv not_active IP Right Cessation
- 1979-07-18 AT AT0497279A patent/AT377885B/de active
- 1979-07-18 FR FR7918577A patent/FR2431679A1/fr active Granted
- 1979-07-18 CH CH670379A patent/CH640343A5/de not_active IP Right Cessation
- 1979-07-19 IT IT7949804A patent/IT7949804A0/it unknown
- 1979-07-19 DE DE2929567A patent/DE2929567C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2929567C2 (de) | 1983-10-13 |
| ATA497279A (de) | 1984-09-15 |
| JPS5517489A (en) | 1980-02-06 |
| SE7906144L (sv) | 1980-01-20 |
| GB2027212A (en) | 1980-02-13 |
| FR2431679B1 (de) | 1983-06-17 |
| NL7904876A (nl) | 1980-01-22 |
| AT377885B (de) | 1985-05-10 |
| FR2431679A1 (fr) | 1980-02-15 |
| IT7949804A0 (it) | 1979-07-19 |
| BR7805509A (pt) | 1980-03-11 |
| CH640343A5 (de) | 1983-12-30 |
| JPS5923363B2 (ja) | 1984-06-01 |
| AU3884378A (en) | 1980-02-14 |
| DE2929567A1 (de) | 1980-01-31 |
| GB2027212B (en) | 1983-05-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 7906144-6 Effective date: 19880318 Format of ref document f/p: F |