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US4339785A Expired / Lapsed US ⏱️ 0.0 years remaining

Electronic circuit arrangement mounted on printed circuit board

Assignee: Sony Corp
•
Filing: 1980-04-08
•
Granted: 1982-07-13
•
Expires: 2000-04-08
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Abstract

Abstract In an electronic circuit arrangement mounted on a printed circuit board in which leadless circuit parts are attached to the printed circuit board with adhesive. A white paint is applied onto a region to which adhesive is applied, and an adhesive containing pigment contrastable to the white paint is applied onto the paint.

Inventors

  • 👤 Mitsuo Ohsawa

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 05:13
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/0266; H05K1/0269; H05K3/00; H05K3/30; H05K3/303; H05K3/305; H05K2201/00; H05K2201/09; H05K2201/09209; H05K2201/09654; H05K2201/09772; H05K2201/10; H05K2201/10227; H05K2201/10363; H05K2201/10431; H05K2201/10583; H05K2201/10613; H05K2201/10621; H05K2201/10636; H05K2203/00; H05K2203/16; H05K2203/161; H05K2203/168; H05K3/32; H05K3/34; H05K3/3452; H05K3/3465; H05K3/3468; Y; Y02; Y02P; Y02P70/00; Y02P70/50

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 83 words
An electronic circuit arrangement mounted on a printed circuit board in which leadless circuit parts are attached to the printed circuit board with adhesive, the improvement in which a film of a first color having a high luminosity is attached to said printed circuit board in regions to which said adhesive is applied, and said adhesive containing pigment of a second color contrastable to said first color attached to said film, and said leadless circuit parts attached to said board by said adhesive.
Claim 2
Dependent Claim 83 words
An electronic circuit arrangement mounted on a printed circuit board in which leadless circuit parts are attached to the printed circuit board with adhesive, the improvement in which a film of a first color having a high luminosity is attached to said printed circuit board in regions to which said adhesive is applied, and said adhesive containing pigment of a second color contrastable to said first color attached to said film, and said leadless circuit parts attached to said board by said adhesive.
Claim 3
Dependent Claim 21 words
An electronic circuit arrangement mounted on a printed circuit board according to claim 1, in which said film is white paint.
Claim 4
Dependent Claim 24 words
An electronic circuit arrangement mounted on a printed circuit board according to claim 2, in which said adhesive is light-hardening resin of epoxy-acrylate group.
Claim 5
Dependent Claim 24 words
An electronic circuit arrangement mounted on a printed circuit board according to claim 2, in which said adhesive is thermo-setting resin of epoxy-acrylate group.
Claim 6
Dependent Claim 28 words
An electronic circuit arrangement mounted on a printed circuit board according to claim 3, in which the content of said pigment in said adhesive is 1% to 5%.
Claim 7
Dependent Claim 28 words
An electronic circuit arrangement mounted on a printed circuit board according to claim 4, in which the content of said pigment in said adhesive is 1% to 5%.
Claim 8
Dependent Claim 22 words
An electronic circuit arrangement mounted on a printed circuit board according to claim 1, in which said film extends over cross patterns.

References Cited (Backward Citations)

US2441960A Cited
US3272909A Cited
GB1199231A Cited
US3410949A Cited
US4208005A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1985-07-12 1986-01-11 1986-07-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1989-07-12 1990-01-11 1990-07-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1993-07-12 1994-01-11 1994-07-13 $7700.00 Window Closed / Lapsed

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