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US5654584A Expired / Lapsed US ⏱️ 0.0 years remaining

Semiconductor device having tape automated bonding leads

Assignee: Toshiba Corp
•
Filing: 1994-11-18
•
Granted: 1997-08-05
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Expires: 2014-11-18
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Abstract

Abstract A plurality of electrode pads are formed on a main surface of a semiconductor chip. The electrode pads on the semiconductor chip are electrically connected to the top end of an inner lead through a metal plating layer.

Inventors

  • 👤 Takao Fujitsu

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 03:28
CPC Classifications
H; H10; H10W; H10W76/00; H10W76/10; H10W76/12; H10W90/00; H10W90/811; H10W70/00; H10W70/40; H10W70/421; H10W70/435; H10W70/464; H10W70/465; H10W70/479; H10W72/00; H10W72/01; H10W72/019; H10W72/30; H10W72/701; H10W72/90; H10W70/60; H10W70/67; H10W70/68; H10W70/682; H10W70/685; H10W72/071; H10W72/073; H10W72/07331; H10W72/075; H10W72/07551; H10W72/07554; H10W72/20; H10W72/29; H10W72/351; H10W72/353; H10W72/354; H10W72/50; H10W72/541; H10W72/547; H10W72/551; H10W72/552; H10W72/5522; H10W72/5524; H10W72/59; H10W72/921; H10W72/923; H10W72/951; H10W72/952; H10W90/701; H10W90/751; H10W90/754; H10W99/00

Claims Analysis

Total Claims: 46
Claim 1
Independent Claim 83 words
A semiconductor device comprising: a lead frame formed of a conductive material and having a plurality of leads, each of said leads having a distal end side face; a semiconductor chip having a plurality of electrode pads on a surface thereof; and a plurality of metal plating layers, each electrically connecting the distal end side face of one of the plurality of leads to one of the plurality of electrode pads, each of said metal plating layers having a substantially L-shaped cross section.
Claim 2
Dependent Claim 83 words
A semiconductor device comprising: a lead frame formed of a conductive material and having a plurality of leads, each of said leads having a distal end side face; a semiconductor chip having a plurality of electrode pads on a surface thereof; and a plurality of metal plating layers, each electrically connecting the distal end side face of one of the plurality of leads to one of the plurality of electrode pads, each of said metal plating layers having a substantially L-shaped cross section.
Claim 3
Dependent Claim 16 words
The semiconductor device according to claim 1, wherein the metal plating layers are nickel plating layers.
Claim 4
Dependent Claim 26 words
The semiconductor device according to claim 1, wherein the lead frame is a TAB type in which a wiring pattern is formed on an insulating film.
Claim 5
Dependent Claim 16 words
The semiconductor device according to claim 1, wherein the lead frame is a punching metal film.
Claim 6
Dependent Claim 56 words
The semiconductor device according to claim 1, wherein each of the plurality of electrode pads formed on the surface of the semiconductor chip comprises an aluminum layer, a titanium layer formed on the aluminum layer, and a layer formed on the titanium layer comprising one of a gold layer, a nickel layer, and a copper layer.
Claim 7
Dependent Claim 25 words
The semiconductor device according to claim 1, wherein the plurality of electrodes are arranged on the surface of the semiconductor chip in a zig-zag arrangement.
Claim 8
Dependent Claim 95 words
A semiconductor device comprising: a semiconductor chip having a plurality of electrode pads on a surface thereof; an insulating film; a plurality of wiring patterns formed on the insulating film, each of the wiring patterns having a distal end portion which is arranged close to a corresponding one of the electrode pads; an adhesive for adhering the wiring patterns to the semiconductor chip; and a plurality of metal plating layers, each electrically connecting the distal end portion of one of the plurality of wiring patterns to a corresponding one of the plurality of electrode pads.
Claim 9
Dependent Claim 95 words
A semiconductor device comprising: a semiconductor chip having a plurality of electrode pads on a surface thereof; an insulating film; a plurality of wiring patterns formed on the insulating film, each of the wiring patterns having a distal end portion which is arranged close to a corresponding one of the electrode pads; an adhesive for adhering the wiring patterns to the semiconductor chip; and a plurality of metal plating layers, each electrically connecting the distal end portion of one of the plurality of wiring patterns to a corresponding one of the plurality of electrode pads.
Claim 10
Dependent Claim 18 words
The semiconductor device according to claim 7, wherein the plurality of metal plating layers are nickel plating layers.
Claim 11
Dependent Claim 56 words
The semiconductor device according to claim 7, wherein each of the plurality of electrode pads formed on the surface of the semiconductor chip comprises an aluminum layer, a titanium layer formed on the aluminum layer, and a layer formed on the titanium layer, comprising one of a gold layer, a nickel layer, and a copper layer.
Claim 12
Dependent Claim 26 words
The semiconductor device according to claim 7, wherein the plurality of electrode pads are arranged on the surface of the semiconductor chip in a zig-zag arrangement.
Claim 13
Dependent Claim 173 words
A semiconductor device comprising: a semiconductor chip having a plurality of electrode pads on a surface thereof; an insulating film; first wiring patterns formed on the insulating film, each of the first wiring patterns having a first distal end portion, and a second distal end portion opposing the first distal end portion, the first distal end portion of each of the first wiring patterns being arranged close to a corresponding one of the electrode pads; an adhesive used for connecting the wiring patterns to the semiconductor chip; a plurality of first metal plating layers, each of the first metal plating layers electrically connecting each of the electrode pads to the first distal end portion of the corresponding one of the first wiring patterns; a wiring board having a plurality of second wiring patterns on a surface thereof; and a plurality of second metal plating layers, each electrically connecting one of the plurality of second wiring patterns to the second distal end portion of a corresponding one of the plurality of first wiring patterns.
Claim 14
Dependent Claim 173 words
A semiconductor device comprising: a semiconductor chip having a plurality of electrode pads on a surface thereof; an insulating film; first wiring patterns formed on the insulating film, each of the first wiring patterns having a first distal end portion, and a second distal end portion opposing the first distal end portion, the first distal end portion of each of the first wiring patterns being arranged close to a corresponding one of the electrode pads; an adhesive used for connecting the wiring patterns to the semiconductor chip; a plurality of first metal plating layers, each of the first metal plating layers electrically connecting each of the electrode pads to the first distal end portion of the corresponding one of the first wiring patterns; a wiring board having a plurality of second wiring patterns on a surface thereof; and a plurality of second metal plating layers, each electrically connecting one of the plurality of second wiring patterns to the second distal end portion of a corresponding one of the plurality of first wiring patterns.
Claim 15
Dependent Claim 126 words
A semiconductor device comprising: a lead frame formed of a conductive material and having a plurality of leads; a semiconductor chip having a plurality of electrode pads on a surface thereof; a plurality of conductive adhesive members arranged in correspondence to the electrode pads and the leads, each of the members electrically connecting a corresponding one of the plurality of leads to a corresponding one of the plurality of electrode pads; and a plurality of metal plating layers arranged in correspondence to the conductive adhesive members, each of the metal plating layers being formed around a corresponding one of the plurality of conductive adhesive members and electrically connecting a corresponding one of the plurality of leads to a corresponding one of the plurality of electrode pads.
Claim 16
Dependent Claim 126 words
A semiconductor device comprising: a lead frame formed of a conductive material and having a plurality of leads; a semiconductor chip having a plurality of electrode pads on a surface thereof; a plurality of conductive adhesive members arranged in correspondence to the electrode pads and the leads, each of the members electrically connecting a corresponding one of the plurality of leads to a corresponding one of the plurality of electrode pads; and a plurality of metal plating layers arranged in correspondence to the conductive adhesive members, each of the metal plating layers being formed around a corresponding one of the plurality of conductive adhesive members and electrically connecting a corresponding one of the plurality of leads to a corresponding one of the plurality of electrode pads.
Claim 17
Dependent Claim 85 words
A semiconductor device comprising: a lead frame formed of a conductive material and having a plurality of leads, each of the leads having a distal end side face; a semiconductor chip having a plurality of electrode pads on a surface thereof; and a plurality of metal plating layers, each electrically connecting the distal end side face of one of the plurality of leads to one of the plurality of electrode pads, each of the plurality of metal plating layers having a substantially L-shaped cross section.
Claim 18
Dependent Claim 85 words
A semiconductor device comprising: a lead frame formed of a conductive material and having a plurality of leads, each of the leads having a distal end side face; a semiconductor chip having a plurality of electrode pads on a surface thereof; and a plurality of metal plating layers, each electrically connecting the distal end side face of one of the plurality of leads to one of the plurality of electrode pads, each of the plurality of metal plating layers having a substantially L-shaped cross section.
Claim 19
Dependent Claim 16 words
The semiconductor device according to claim 13, wherein the metal plating layers are nickel plating layers.
Claim 20
Dependent Claim 26 words
The semiconductor device according to claim 13, wherein the lead frame is a TAB type in which a wiring pattern is formed on an insulating film.
Claim 21
Dependent Claim 16 words
The semiconductor device according to claim 13, wherein the lead frame is a punching metal film.
Claim 22
Dependent Claim 56 words
The semiconductor device according to claim 13, wherein each of the plurality of electrode pads formed on the surface of the semiconductor chip comprises an aluminum layer, a titanium layer formed on the aluminum layer, and a layer formed on the titanium layer comprising one of a gold layer, a nickel layer and a copper layer.
Claim 23
Dependent Claim 26 words
The semiconductor device according to claim 13, wherein the plurality of electrode pads are arranged on the surface of the semiconductor chip in a zig-zag arrangement.
Claim 24
Dependent Claim 92 words
A semiconductor device comprising: a semiconductor chip having a plurality of electrode pads on a surface thereof; an insulating film; a plurality of wiring patterns formed on the insulating film, each of the wiring patterns having a distal end portion arranged close to a corresponding one of the electrode pads; an adhesive for connecting the wiring patterns to the semiconductor chip; a plurality of metal plating layers, each electrically connecting the distal end portion of one of the plurality of wiring patterns to a corresponding one of the plurality of electrode pads.
Claim 25
Dependent Claim 92 words
A semiconductor device comprising: a semiconductor chip having a plurality of electrode pads on a surface thereof; an insulating film; a plurality of wiring patterns formed on the insulating film, each of the wiring patterns having a distal end portion arranged close to a corresponding one of the electrode pads; an adhesive for connecting the wiring patterns to the semiconductor chip; a plurality of metal plating layers, each electrically connecting the distal end portion of one of the plurality of wiring patterns to a corresponding one of the plurality of electrode pads.
Claim 26
Dependent Claim 18 words
The semiconductor device according to claim 19, wherein the plurality of metal plating layers are nickel plating layers.
Claim 27
Dependent Claim 56 words
The semiconductor device according to claim 19, wherein each of the plurality of electrode pads formed on the surface of the semiconductor chip comprises an aluminum layer, a titanium layer formed on the aluminum layer, and a layer formed on the titanium layer, comprising one of a gold layer, a nickel layer, and a copper layer.
Claim 28
Dependent Claim 26 words
The semiconductor device according to claim 19, wherein the plurality of electrode pads are arranged on the surface of the semiconductor chip in a zig-zag arrangement.
Claim 29
Dependent Claim 175 words
A semiconductor device comprising: a semiconductor chip having a plurality of electrode pads on a surface thereof; an insulating film: first wiring patterns formed on the insulating film, each of the first wiring patterns having a first distal end portion and a second distal end portion opposing the first distal end portion, the first distal end of each of the first wiring patterns being arranged close to a corresponding one of the electrode pads; an adhesive for connecting the first wiring patterns to the semiconductor chip; a plurality of first metal plating layers, each of the first metal plating layers electrically connecting each of the electrode pads to the first distal end of a corresponding one of the first wiring patterns; a wiring board having a plurality of second wiring patterns on a surface thereof; and a plurality of second metal plating layers, each of the second metal plating layers electrically connecting each of the second wiring patterns to the second distal end portion of a corresponding one of the plurality of first wiring patterns.
Claim 30
Dependent Claim 175 words
A semiconductor device comprising: a semiconductor chip having a plurality of electrode pads on a surface thereof; an insulating film: first wiring patterns formed on the insulating film, each of the first wiring patterns having a first distal end portion and a second distal end portion opposing the first distal end portion, the first distal end of each of the first wiring patterns being arranged close to a corresponding one of the electrode pads; an adhesive for connecting the first wiring patterns to the semiconductor chip; a plurality of first metal plating layers, each of the first metal plating layers electrically connecting each of the electrode pads to the first distal end of a corresponding one of the first wiring patterns; a wiring board having a plurality of second wiring patterns on a surface thereof; and a plurality of second metal plating layers, each of the second metal plating layers electrically connecting each of the second wiring patterns to the second distal end portion of a corresponding one of the plurality of first wiring patterns.
Claim 31
Dependent Claim 128 words
A semiconductor device comprising: a lead frame formed of a conductive material and having a plurality of leads; a semiconductor chip having a plurality of electrode pads on a surface thereof; a plurality of conductive adhesive members arranged in correspondence to the electrode pads and the leads, each of the members electrically connecting a corresponding one of the plurality of leads to a corresponding one of the plurality of electrode pads; and a plurality of metal plating layers arranged in correspondence to the conductive adhesive members, each of the metal plating layers being formed to surround a corresponding one of the plurality of conductive adhesive members and to electrically connect a corresponding one of the plurality of leads to a corresponding one of the plurality of electrode pads.
Claim 32
Dependent Claim 128 words
A semiconductor device comprising: a lead frame formed of a conductive material and having a plurality of leads; a semiconductor chip having a plurality of electrode pads on a surface thereof; a plurality of conductive adhesive members arranged in correspondence to the electrode pads and the leads, each of the members electrically connecting a corresponding one of the plurality of leads to a corresponding one of the plurality of electrode pads; and a plurality of metal plating layers arranged in correspondence to the conductive adhesive members, each of the metal plating layers being formed to surround a corresponding one of the plurality of conductive adhesive members and to electrically connect a corresponding one of the plurality of leads to a corresponding one of the plurality of electrode pads.
Claim 33
Dependent Claim 22 words
A semiconductor device according to claim 7, wherein said adhesive connects the wiring patterns to a peripheral portion of the semiconductor chip.
Claim 34
Dependent Claim 22 words
A semiconductor device according to claim 7, wherein said adhesive connects the wiring patterns to a central portion of the semiconductor chip.
Claim 35
Dependent Claim 22 words
A semiconductor device according to claim 19, she said adhesive connects the wiring patterns to a peripheral portion of the semiconductor chip.
Claim 36
Dependent Claim 22 words
A semiconductor device according to claim 19, wherein said adhesive connects the wiring patterns to a central portion of the semiconductor chip.
Claim 37
Dependent Claim 131 words
A semiconductor device comprising: a semiconductor chip having four sides, a plurality of electrode pads being arranged on each of the four sides; an insulating film; a plurality of wiring pattern groups formed on the insulating film such that a plurality of wiring patterns are provided for each of the four sides of the semiconductor chip, each of the wiring patterns of each wiring pattern group having a distal end located close to a corresponding one of the electrode pads; an adhesive member for coupling the wiring pattern groups to the semiconductor chip; and a plurality of metal plating layers, each of the metal plating layers electrically connecting the distal end of a corresponding one of the plurality of wiring patterns to a corresponding one of the plurality of electrode pads.
Claim 38
Dependent Claim 131 words
A semiconductor device comprising: a semiconductor chip having four sides, a plurality of electrode pads being arranged on each of the four sides; an insulating film; a plurality of wiring pattern groups formed on the insulating film such that a plurality of wiring patterns are provided for each of the four sides of the semiconductor chip, each of the wiring patterns of each wiring pattern group having a distal end located close to a corresponding one of the electrode pads; an adhesive member for coupling the wiring pattern groups to the semiconductor chip; and a plurality of metal plating layers, each of the metal plating layers electrically connecting the distal end of a corresponding one of the plurality of wiring patterns to a corresponding one of the plurality of electrode pads.
Claim 39
Dependent Claim 124 words
A semiconductor device comprising: a semiconductor chip having four sides, a plurality of electrode pads being arranged on each of the four sides; an insulating film; a plurality of wiring pattern groups formed on the insulating film such that a plurality of wiring patterns are provided for each of the four sides of the semiconductor chip, each of the wiring patterns of each wiring pattern group having a distal end located close to a corresponding one of the electrode pads; an adhesive member for coupling the wiring pattern groups to the semiconductor chip; and a plurality of metal plating layers connecting the distal end of a corresponding one of the plurality of wiring patterns to a corresponding one of the plurality of electrode pads.
Claim 40
Dependent Claim 124 words
A semiconductor device comprising: a semiconductor chip having four sides, a plurality of electrode pads being arranged on each of the four sides; an insulating film; a plurality of wiring pattern groups formed on the insulating film such that a plurality of wiring patterns are provided for each of the four sides of the semiconductor chip, each of the wiring patterns of each wiring pattern group having a distal end located close to a corresponding one of the electrode pads; an adhesive member for coupling the wiring pattern groups to the semiconductor chip; and a plurality of metal plating layers connecting the distal end of a corresponding one of the plurality of wiring patterns to a corresponding one of the plurality of electrode pads.
Claim 41
Dependent Claim 19 words
The semiconductor device of claim 7, wherein each of the metal plating layers has a substantially L-shaped cross section.
Claim 42
Dependent Claim 22 words
The semiconductor device of claim 11, wherein each of the first and second metal plating layers has a substantially L-shaped cross section.
Claim 43
Dependent Claim 19 words
The semiconductor device of claim 19, wherein each of the metal plating layers has a substantially L-shaped cross section.
Claim 44
Dependent Claim 22 words
The semiconductor device of claim 23, wherein each of the first and second metal plating layers has a substantially L-shaped cross section.
Claim 45
Dependent Claim 19 words
The semiconductor device of claim 29, wherein each of the metal plating layers has a substantially L-shaped cross section.
Claim 46
Dependent Claim 19 words
The semiconductor device of claim 30, wherein each of the metal plating layers has a substantially L-shaped cross section.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2000-08-04 2001-02-03 2001-08-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2004-08-04 2005-02-03 2005-08-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2008-08-04 2009-02-03 2009-08-05 $7700.00 Window Closed / Lapsed

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