JPH0456345U - - Google Patents
Info
- Publication number
- JPH0456345U JPH0456345U JP9847290U JP9847290U JPH0456345U JP H0456345 U JPH0456345 U JP H0456345U JP 9847290 U JP9847290 U JP 9847290U JP 9847290 U JP9847290 U JP 9847290U JP H0456345 U JPH0456345 U JP H0456345U
- Authority
- JP
- Japan
- Prior art keywords
- lead frame
- resin molding
- line
- groove
- figures
- 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
Landscapes
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
- Lead Frames For Integrated Circuits (AREA)
Description
第１図は本考案の一実施例を示す平面図、第２
図ａ，ｂは空気排出溝の形状の例を示す拡大斜視
図、第３図は従来のリードフレームの一例を示す
平面図、第４図は従来のリードフレームを使用し
たものの樹脂モールドの方法の一例を示す説明図
である。
１１……クレードル部、１２……ダイアイラン
ド吊りピン、１３……インナーリード、１４……
タイバー、１５……アウターリード、１１−１…
…空気排出溝。なお図中同一符号は同一または相
当するものを示す。
Figure 1 is a plan view showing one embodiment of the present invention;
Figures a and b are enlarged perspective views showing examples of the shape of air exhaust grooves, Figure 3 is a plan view showing an example of a conventional lead frame, and Figure 4 is a resin molding method using a conventional lead frame. It is an explanatory diagram showing an example. 11...Cradle part, 12...Die island hanging pin, 13...Inner lead, 14...
Tie bar, 15... Outer lead, 11-1...
...Air exhaust groove. Note that the same reference numerals in the figures indicate the same or equivalent parts.
補正 平２．１２．１８
図面の簡単な説明を次のように補正する。
明細書第７頁第３行目乃至、第４行目の「第２
図ａ，ｂは」を「第２図は」と訂正する。Amendment 2.12.18 Hei 2.12.18 The brief description of the drawing is amended as follows. ``Second line'' on page 7, line 3 to line 4 of the specification
"Figures a and b" should be corrected to "Figure 2 is".
Claims (1)
テイ内の空気を排出する溝を設けたことを特徴と
するリードフレーム。 A lead frame characterized in that the cradle part is provided with a groove for discharging air in the mold cavity during resin molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9847290U JPH0456345U (en) | 1990-09-21 | 1990-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9847290U JPH0456345U (en) | 1990-09-21 | 1990-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0456345U true JPH0456345U (en) | 1992-05-14 |
Family
ID=31839682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9847290U Pending JPH0456345U (en) | 1990-09-21 | 1990-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0456345U (en) |
-
1990
- 1990-09-21 JP JP9847290U patent/JPH0456345U/ja active Pending