US5435732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible circuit member
Assignee: International Business Machines Corp
•
Filing: 1994-08-11
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Granted: 1995-07-25
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Expires: 2014-08-11
Abstract
Abstract A flexible circuit member including a circuitized substrate of a dielectric material having a plurality of apertures therein. Located within and/or bridging selected ones of the apertures are electrical conductors, the conductors having a solder member secured thereto. A frame is also used, the circuitized substrate being secured thereto.
Inventors
- 👤 Christopher G. Angulas
- 👤 Patrick T. Flynn
- 👤 Joseph Funari
- 👤 Thomas E. Kindl
- 👤 Randy L. Orr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:24
CPC Classifications
H; H10; H10W; H10W90/00; H10W90/701; H01; H01R; H01R12/00; H01R12/50; H01R12/51; H01R12/52; H05; H05K; H05K3/00; H05K3/36; H05K3/361; H05K3/363; H10W70/00; H10W70/60; H10W70/67; H10W70/688; H05K1/00; H05K1/02; H05K1/14; H05K1/141; H05K2201/00; H05K2201/03; H05K2201/0332; H05K2201/0388; H05K2201/0394; H05K2201/10; H05K2201/10431; H05K2201/10439; H05K2201/10477; H05K2201/10613; H05K2201/10621; H05K2201/10666; H05K2201/10681; H05K2201/10734; H05K2201/10954; H05K2201/10984; H05K2201/10992; H05K2203/00; H05K2203/04; H05K2203/041; H05K2203/0415; H05K3/30; H05K3/32; H05K3/34; H05K3/3452; H10W72/00; H10W72/071; H10W72/072; H10W72/07251; H10W72/20; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49126; Y10T29/49128; Y10T29/4913; Y10T29/49144
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
174 words
A flexible circuit member comprising: a flexible circuitized substrate including a dielectric material having a pair of electrically conductive layers located on opposite sides thereof and a plurality of apertures therein, said electrically conductive layers being electrically coupled together, selected ones of said apertures including an electrical conductor positioned within and/or bridging said selected ones of said apertures, said electrical conductor forming part of one of said conductive layers, one of said conductive layers adapted for having a semiconductor device electrically coupled thereto on one side of said substrate; a plurality of solder members, each of said solder members being substantially located along an opposite side of said substrate than said semiconductor device and secured to a respective one of said electrical conductors positioned within and/or bridging said selected ones of said apertures; and a frame including a plurality of sides defining an opening therein, the peripheral portion of said flexible circuitized substrate being secured to said sides of said frame, said frame and said circuitized substrate being separate members secured to one another.
Claim 2
Dependent Claim
174 words
A flexible circuit member comprising: a flexible circuitized substrate including a dielectric material having a pair of electrically conductive layers located on opposite sides thereof and a plurality of apertures therein, said electrically conductive layers being electrically coupled together, selected ones of said apertures including an electrical conductor positioned within and/or bridging said selected ones of said apertures, said electrical conductor forming part of one of said conductive layers, one of said conductive layers adapted for having a semiconductor device electrically coupled thereto on one side of said substrate; a plurality of solder members, each of said solder members being substantially located along an opposite side of said substrate than said semiconductor device and secured to a respective one of said electrical conductors positioned within and/or bridging said selected ones of said apertures; and a frame including a plurality of sides defining an opening therein, the peripheral portion of said flexible circuitized substrate being secured to said sides of said frame, said frame and said circuitized substrate being separate members secured to one another.
Claim 3
Dependent Claim
11 words
The member of claim 1 wherein said dielectric material is polyimide.
Claim 4
Dependent Claim
29 words
The member of claim 1 wherein said selected ones of said solder members secured to said respective ones of said electrical conductors are each of a substantially spherical configuration.
Claim 5
Dependent Claim
16 words
The member of claim 1 wherein said solder members are each comprised of 10:90 tin:lead solder.
Claim 6
Dependent Claim
10 words
The member of claim 1 wherein said frame is plastic.
Claim 7
Dependent Claim
13 words
The member of claim 1 wherein said frame is comprised of metallic material.
Claim 8
Dependent Claim
23 words
The member of claim 6 wherein said metallic material of said frame is selected from the group consisting of copper and stainless steel.
Claim 9
Dependent Claim
18 words
The member of claim 1 wherein said frame is secured to said flexible circuitized substrate using an adhesive.
Claim 10
Dependent Claim
17 words
The member of claim 1 wherein said frame is secured to said flexible circuitized substrate using pins.
Claim 11
Dependent Claim
13 words
The member of claim 1 wherein said frame is of substantially rectangular shape.
Claim 12
Dependent Claim
32 words
The member of claim 1 further including a plurality of solder joints, said solder joints providing said electrically coupling of said semiconductor device to said conductive layer of said flexible circuitized substrate.
Claim 13
Dependent Claim
24 words
The member of claim 11 wherein said solder joints and said solder members are substantially located on opposite sides of said flexible circuitized substrate.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-07-24 | 1999-01-23 | 1999-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-07-24 | 2003-01-23 | 2003-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-07-24 | 2007-01-23 | 2007-07-25 | $7700.00 | Window Closed / Lapsed |