EP0244259A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Method of detecting the presence or absence of defect of transparent circuit board having fine transparent electric conductive circuit
Assignee: Shinto Paint Co Ltd
•
Filing: 1987-04-30
•
Granted: —
•
Expires: 2007-04-30
Abstract
Abstract A method of detecting the presence or absence of a defect of a transparent circuit board having fine transparent electrically conductive circuits comprising the step of colouring the fine transparent electrically conductive circuits in an electrodeposition coating bath.
Inventors
- 👤 Suzuki Tameyuki
- 👤 Yasukawa Junichi
- 👤 Nomura Toyokazu
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 17:13
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/91; H; H05; H05K; H05K1/00; H05K1/02; H05K1/0266; H05K1/0269; G01N21/95; G01N21/956; G01N2021/95638; H05K2201/00; H05K2201/01; H05K2201/0104; H05K2201/0108; H05K2201/03; H05K2201/032; H05K2201/0326; H05K2203/00; H05K2203/13; H05K2203/1333; H05K2203/135; H05K2203/16; H05K2203/161
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
38 words
A method of detecting the presence or absence of a defect of a transparent circuit board having fine transparent electric conductive circuits comprising the step of coloring said fine transparent electric conductive circuits in an electrodeposition coating bath.
Claim 2
Independent Claim
38 words
A method of detecting the presence or absence of a defect of a transparent circuit board having fine transparent electric conductive circuits comprising the step of coloring said fine transparent electric conductive circuits in an electrodeposition coating bath.
Claim 3
Dependent Claim
23 words
A method according to Claim 1, wherein said electrodeposition coating bath is a bath containing a polycarboxylic acid polymer in an aqueous medium.
Claim 4
Dependent Claim
28 words
A method according to Claim 1, wherein said electrodeposition coating bath contains a nonaqueous medium and the resistivity of said bath is not more than 10 11 Ωcm.
References Cited (Backward Citations)
EP0071872B1
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.