JPS6186948U - - Google Patents
Info
- Publication number
- JPS6186948U JPS6186948U JP1984171692U JP17169284U JPS6186948U JP S6186948 U JPS6186948 U JP S6186948U JP 1984171692 U JP1984171692 U JP 1984171692U JP 17169284 U JP17169284 U JP 17169284U JP S6186948 U JPS6186948 U JP S6186948U
- Authority
- JP
- Japan
- Prior art keywords
- lead frame
- alloy
- coating layer
- semiconductor
- strip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
- H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
- H10W90/751—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires
- H10W90/756—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires between a chip and a stacked lead frame, conducting package substrate or heat sink
Landscapes
- Wire Bonding (AREA)
- Lead Frames For Integrated Circuits (AREA)
Description
第1図a及び第1図bは本考案によるリードフ
レームの拡大断面図であり、第1図cは本考案に
よるリードフレームを使用したレジンモールドD
IP型パツケージの断面図である。第2図は従来
のリードフレームを用いた半導体レジンモールド
パツケージの平面を示した説明図であり、第3図
はその断面を示した説明図である。
1:タブ、2:インナーリード、3:アウター
リード、4:半導体素子、5:電極、6:接合剤
、7:ワイヤボンド細線、8:レジンモールド、
10:リードフレーム基体、11:Ni−fe合
金被覆層、12:表層。
1a and 1b are enlarged sectional views of the lead frame according to the present invention, and FIG. 1c is a resin mold D using the lead frame according to the present invention.
FIG. 3 is a cross-sectional view of an IP type package. FIG. 2 is an explanatory diagram showing a plan view of a semiconductor resin mold package using a conventional lead frame, and FIG. 3 is an explanatory diagram showing a cross section thereof. 1: Tab, 2: Inner lead, 3: Outer lead, 4: Semiconductor element, 5: Electrode, 6: Bonding agent, 7: Wire bond thin wire, 8: Resin mold,
10: lead frame base, 11: Ni-fe alloy coating layer, 12: surface layer.
Claims (1)
金の板又は条より成型されたリードフレームにお
いて、リードフレーム基体の上方の少くも一部に
Feの10〜40重量%を含むNi−Fe合金の
被覆層が設けられていることを特徴とする半導体
リードフレーム。 In a lead frame molded from a plate or strip of Cu or Cu alloy or Al or Al alloy, a coating layer of Ni-Fe alloy containing 10 to 40% by weight of Fe is provided at least in a part above the lead frame base. A semiconductor lead frame characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984171692U JPS6186948U (en) | 1984-11-14 | 1984-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984171692U JPS6186948U (en) | 1984-11-14 | 1984-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6186948U true JPS6186948U (en) | 1986-06-07 |
Family
ID=30729371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984171692U Pending JPS6186948U (en) | 1984-11-14 | 1984-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6186948U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59144160A (en) * | 1983-02-07 | 1984-08-18 | Sumitomo Electric Ind Ltd | Plastic-sealed ic |
| JPS59161850A (en) * | 1983-03-07 | 1984-09-12 | Hitachi Ltd | Resin sealed type semiconductor device and lead frame used therefor |
-
1984
- 1984-11-14 JP JP1984171692U patent/JPS6186948U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59144160A (en) * | 1983-02-07 | 1984-08-18 | Sumitomo Electric Ind Ltd | Plastic-sealed ic |
| JPS59161850A (en) * | 1983-03-07 | 1984-09-12 | Hitachi Ltd | Resin sealed type semiconductor device and lead frame used therefor |