US5288007A
Expired / Lapsed
US
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Apparatus and methods for making simultaneous electrical connections
Assignee: International Business Machines Corp
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Filing: 1992-12-23
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Granted: 1994-02-22
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Expires: 2012-12-23
Abstract
Abstract The present invention relates generally to apparatus and methods for making simultaneous electrical connections, and more particularly to making these electrical connections simultaneously using a new bond tip configuration. Various methods and processes are being disclosed to simultaneously make electrical connections between electrical conductor lines or pads. The electrical connection is made by placing an electrically conductive wire across a pair of electrical lines or pads that have to be electrically connected and then by using a special tip, both ends of the electrically conductive wire are simultaneously secured to the two electrically conductive lines or pads.
Inventors
- 👤 Mario J. Interrante
- 👤 Michael Berger
- 👤 Edward F. Handford
- 👤 Eugene Tas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:46
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/10; H; H05; H05K; H05K3/00; H05K3/22; H05K3/225; H10; H10W; H10W99/00; H05K2201/00; H05K2201/10; H05K2201/10227; H05K2201/10287; H05K2203/00; H05K2203/02; H05K2203/0285; H05K2203/04; H05K2203/049; H05K2203/17; H05K2203/173; H05K3/30; H05K3/32; H05K3/328; H05K3/34; H05K3/3465; H10W72/00; H10W72/071; H10W72/0711; H10W72/50; H10W72/551; H10W72/552; H10W72/5522; H10W72/5524; H10W72/5525
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
113 words
A method of simultaneously forming an electrically conductive path between at least two electrically conducting lines or pads comprising the steps of, (a) site dressing at least a portion of at least two of said electrically conducting lines or pads, (b) placing a segment of an electrically conductive material over at least a portion of each of said site dressed portions of said electrical lines or pads, and (c) simultaneously securing said segment to said at least two electrical lines or pads using a tip having at least one work groove to accommodate at least a portion of said electrically conductive material during this securing process and thereby forming said electrically conductive path.
Claim 2
Independent Claim
113 words
A method of simultaneously forming an electrically conductive path between at least two electrically conducting lines or pads comprising the steps of, (a) site dressing at least a portion of at least two of said electrically conducting lines or pads, (b) placing a segment of an electrically conductive material over at least a portion of each of said site dressed portions of said electrical lines or pads, and (c) simultaneously securing said segment to said at least two electrical lines or pads using a tip having at least one work groove to accommodate at least a portion of said electrically conductive material during this securing process and thereby forming said electrically conductive path.
Claim 3
Dependent Claim
29 words
The method of claim 1, wherein said electrically conductive material is selected from a group comprising a wire or a solder coated wire or a decal or a preform.
Claim 4
Dependent Claim
24 words
The method of claim 1, wherein the upper surface of one of said at least two electrically conducting lines or pads is laser ablated.
Claim 5
Dependent Claim
22 words
The method of claim 1, wherein said at least two electrically conducting lines or pads are in a thin film packing structure.
Claim 6
Dependent Claim
25 words
The method of claim 1, wherein a tip having a textured surface simultaneously secures said segment to said at least two electrical lines or pads.
Claim 7
Dependent Claim
27 words
The method of claim 1, wherein after securing said segment to said at least two electrical lines or pads, said segment is covered with an insulator material.
Claim 8
Dependent Claim
27 words
The method of claim 1, wherein after securing said segment to said at least two electrical lines or pads, said segment is covered with a polyimide material.
Claim 9
Dependent Claim
45 words
The method of claim 1, wherein said segment of an electrically conductive material is a staple, and wherein said staple is simultaneously secured to said lines or pads, by a method selected from a group comprising ultrasonic bonding, brazing, thermal compression bonding, or lasersonic bonding.
Claim 10
Dependent Claim
65 words
The method of claim 1, wherein at least a portion of said segment of an electrically conductive material is covered with an electrically conductive material having a melting point lower than said segment, and wherein said low melting point electrically conductive material is simultaneously secured to said lines or pads by a method selected from hot gas reflow, furnace reflow, thermode reflow or laser reflow.
Claim 11
Dependent Claim
49 words
The method of claim 1, wherein at least a portion of said segment of an electrically conductive material is covered with solder, and wherein said solder is simultaneously secured to said lines or pads by a method selected from hot gas reflow, furnace reflow, thermode reflow, or laser reflow.
Claim 12
Dependent Claim
24 words
The method of claim 10, wherein a metallurgical bond is formed between said segment and said lines or pads by melting of said solder.
Claim 13
Dependent Claim
35 words
The method of claim 1, wherein at least a portion of said work groove has a groove texture to enhance the mechanical coupling between said tip and said electrically conductive material during said securing process.
Claim 14
Dependent Claim
32 words
The method of claim 1, wherein during said securing process of step (c), the surface of said at least one work groove partially envelopes the surface contours of said electrically conductive material.
Claim 15
Dependent Claim
27 words
The method of claim 1, wherein said at least one work groove that accommodates at least a portion of said electrically conductive material has a concave profile.
Claim 16
Dependent Claim
17 words
The method of claim 14, wherein said concave profile is either an elliptical or a semicircular profile.
Claim 17
Dependent Claim
32 words
The method of claim 1, wherein said tip is secured to an ultrasonic horn and wherein said tip extends below said ultrasonic horn close to 1/4 of the resonating SIN wavelength distance.
Claim 18
Dependent Claim
32 words
The method of claim 1, wherein said tip is secured to an ultrasonic horn and wherein said tip extends below said ultrasonic horn close to 3/4 of the resonating SIN wavelength distance.
Claim 19
Dependent Claim
37 words
The method of claim 1, wherein said tip has two work grooves that accommodate at least a portion of said electrically conductive material and wherein both of said work grooves are a mirror image of each other.
Claim 20
Dependent Claim
32 words
The method of claim 1, wherein said tip has two work grooves that accommodate at least a portion of said electrically conductive material and wherein both of said work grooves are coplanar.
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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) | 1997-02-21 | 1997-08-23 | 1998-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-02-21 | 2001-08-23 | 2002-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-02-21 | 2005-08-23 | 2006-02-22 | $7700.00 | Window Closed / Lapsed |