Source: https://patents.justia.com/patent/20100258926
Timestamp: 2019-10-15 14:22:20
Document Index: 600865147

Matched Legal Cases: ['art 70', 'art 70', 'art 110', 'art 70', 'art 100', 'art 70', 'art 115', 'arts 110', 'arts 110', 'art 70', 'art 1', 'arts 110', 'arts 110', 'arts 110', 'art 70', 'art 80', 'art 100', 'art 70']

US Patent Application for RELAY BOARD AND SEMICONDUCTOR DEVICE HAVING THE RELAY BOARD Patent Application (Application #20100258926 issued October 14, 2010) - Justia Patents Search
Justia Patents With Structure For Mounting Semiconductor Chip To Lead Frame (e.g., Configuration Of Die Bonding Flag, Absence Of A Die Bonding Flag, Recess For Led)US Patent Application for RELAY BOARD AND SEMICONDUCTOR DEVICE HAVING THE RELAY BOARD Patent Application (Application #20100258926)
A bonding pad la of the wiring board 4 is connected to an electrode pad 7 of a first semiconductor chip 6 by a bonding wire 3. A bonding pad 1b of the wiring board 4 is connected to a first electrode pad 11 of the second semiconductor chip 8 by a bonding wire 5. A bonding pad 13 of the second semiconductor chip 8 is connected to a first bonding pad 22 of the relay board 20 by a bonding wire 23. A second bonding pad 24 of the relay board 20 is connected to another bonding pad 1b of the wiring board 4 by a bonding wire 25.
a connection part is formed by at least one of an end, part of a first terminal wire connected to the first terminal and an end part of a second terminal wire connected to the second terminal; and
An end part of the wiring, part 70A of the fifth wiring 70 and an end part of the seventh wiring 90 separated from the end part of the wiring part 70A by a designated length form a bump connection part 110. An end part of the wiring part 70A′ of the fifth wiring 70 and an end part of the wiring part 100A of the ninth wiring 100 separated from the end part of the wiring part 70A′ by a designated length form a bump connection part 115.
In a structure shown in FIG. 4, the bump connection parts 110 and 120 are selected from the bump connection parts 110, 115, 120, and 125. A stud bump 130a is formed so that the end part of the wiring part 70A of the fifth wiring 70 forming the bump connection part 1.10 is bridged with the end part of the seventh wiring 90.
In the example shown in FIG. 4, the bump connection parts 110 and 120 are selected from the bump connection parts 110, 115, 120 and 125 and the stud bumps 130 are formed at the bump connection parts 110 and 120. The wiring part 70A of the fifth wiring 70 and the seventh wiring 90 are connected. In addition, the wiring part 80A of the sixth wiring 80 and the wiring part 100A′ of the ninth wiring 100 are connected. As a result of this, the first bonding pad 51C and the second bonding pad 52C are electrically connected and the first bonding pad 51D and the second bonding pad 52D are electrically connected.
It is possible to securely insulate neighboring wirings by forming the insulation film 162 on the wirings. In addition, a short circuit of the wirings due to mixing of metal foreign particles or the like during a manufacturing process of the relay board can be prevented from being generated.
Furthermore, corrosion at the wiring made of metal due to moisture or an impurity ion such as Na+, K+, Cl− or the like can be prevented, In addition, the wiring can be protected from mechanical stress.
Referring to FIG. 17, a stud bump 130-la is provided on a part where the insulation film 162 is not provided at the end part of the wiring part 70A. A stud bump 130-1b is provided on a part where the insulation film 162 is not provided at the end part of the seventh wiring 90. A stud bump 130-2 is provided so as to bridge the stud bumps 130-1a and 130-1b.
An electrode of the wiring board 4 and an electrode of the first semiconductor chip 6 are connected by a bonding wire 551. The electrode of the wiring board 4 and an electrode of the second semiconductor chip 8 are connected by the bonding wire 551. The electrode of the wiring board 4 and an electrode of the relay board 750 are connected by the bonding wire 551. The electrode of the semiconductor chip 6 and the electrode of the second semiconductor chip 8 are connected by the bonding wire 551. The electrode of the relay board 750 and the electrode of the first semiconductor chip 6 are connected by the bonding wire 551. The electrode of the relay board 750 and the electrode of the second semiconductor chip 8 are connected by the bonding wire 551.
An organic substrate made of, for example glass epoxy, glass Bismaleimide-Triazine (BT), or polyimide or an inorganic substrate made of, for example, ceramic, glass, or silicon may be used as the wiring board 4. A resin adhesive paste or film made of, for example, epoxy or polyimide may be used as the adhesive 10. However, the present invention is not limited to the above-mentioned example.
Referring to FIG. 33, a semiconductor device 930 has a structure where an opening part is formed in the substantially center part of the wiring board 4. A relay board 750 having an area larger than the opening part covers the opening part. The semiconductor chip 6 is received in the opening part. An electrode of the semiconductor chip is connected and fixed to a corresponding electrode of the relay board 750. Another electrode of the relay board 750 is connected to a corresponding electrode of the wiring board 4.
The semiconductor chip 6 and the relay board 750 are adhered and fixed by the adhesive 10E.
The relay board 750 and the wiring board 4 are adhered and fixed by the adhesive 10E.
FIG. 37 and FIG. 38 are views showing an eighth example of a semiconductor device having a relay board of the embodiment of the present invention. More-specifically, FIG. 37 is a plan view of a semiconductor device 970. FIG. 38-(A) is a cross-sectional view taken along line X-X′ of FIG. 37. FIG. 38-(B) is a cross-sectional view taken along line Y-Y′ of FIG. 37. For the convenience of the explanation, FIG. 37 shows the semiconductor device 970 in a state where the sealing resin 9 shown in FIG. 38 is not provided.
1. A relay board provided in a semiconductor device, comprising:
wherein the wiring connecting to the first terminal is split on the way so that the wiring connects to each of the second terminals. 15
2. A relay board provided in a semiconductor device, comprising:
3. The relay board as claimed in claim 2,
wherein the connection member connects the connection part and one of the first terminal and the second terminal.
4. The relay board as claimed in claim 2,
wherein a connection wire is formed between the end part of the first terminal wire and the end part of the second terminal wire; and
the first terminal and the second terminal are connected by forming the connection member between one end part of the connection wire and the end part of the first terminal wire and between another end part of the connection wire and the end part of the second terminal wire.
5. The relay board as claimed in claim 2,
wherein the connection part is formed by the end part of the first terminal wire and the end part of the second terminal wire; and
the connection member includes a stud bump. 20
6. The relay board as claimed in claim 5,
wherein the stud bump includes first through third stud bumps;
the first stud bump is formed at the end part of the first terminal wire;
the second stud bump is formed at the end part of the second terminal wire; and
the third stud bump is stuck onto the first stud bump and the second stud bump so as to be bonded.
7. The relay board as claimed in claim 2,
the connection member includes conductive resin.
8. The relay board as claimed in claim 2,
wherein the connection member includes a bonding wire.
9. The relay board as claimed in claim 8,
wherein a stud bump is formed on the first terminal or the second terminal;
an end part of the bonding wire is formed on the stud bump; and
another bonding wire configured to connect the first terminal or the second terminal to another structural element of the semiconductor device is formed on the end part of the bonding wire.
10. The relay board as claimed in claim 1,
wherein the relay board is made of material the same as the material of a semiconductor element formed in the semiconductor device where the relay board is formed.
11. The relay board as claimed in claim 2,
wherein an insulation film is formed on the first terminal wire or the second terminal wire;
a part of the insulation film is opened so that an opening part is formed; and
a metal plating layer is formed in the opening part so as to be situated higher than the insulation film.
14. The semiconductor device as claimed in claim 12,
15. The semiconductor device as claimed in claim 12,
the connection member includes a stud bump. 30
16. The semiconductor device as claimed in claim 15,
17. The semiconductor device as claimed in claim 12,
18. The semiconductor device as claimed in claim 12,
wherein the connection member includes a bonding wire. 25
19. The semiconductor device as claimed in claim 18,
another bonding wire configured to connect the first terminal or the second terminal to the wiring board or the lead frame is formed on the bonding wire.
20. The semiconductor device as claimed in claim 12,
wherein the number of the first terminal and the number of the second terminal are plural respectively;
an arrangement direction of the first terminals is substantially in parallel with an arrangement direction of the second terminals; and
the arrangement order of the first terminals is different from the arrangement order of the second terminals corresponding to the first terminals.
Publication number: 20100258926
Patent Grant number: 8404980
Applicant: FUJITSU SEMICONDUCTOR LIMITED (Formerly Fujitsu Microelectronics Limited) (Yokohama-shi)
Inventors: Takao Nishimura (Kawasaki), Kouichi Nakamura (Kawasaki)
Application Number: 12/824,117
Current U.S. Class: With Structure For Mounting Semiconductor Chip To Lead Frame (e.g., Configuration Of Die Bonding Flag, Absence Of A Die Bonding Flag, Recess For Led) (257/676); Bump Leads (257/737); Wire Contact, Lead, Or Bond (257/784); Wire-like Arrangements Or Pins Or Rods (epo) (257/E23.024); Lead Frames Or Other Flat Leads (epo) (257/E23.031)
International Classification: H01L 23/49 (20060101); H01L 23/495 (20060101);