CN203617279U - Flat plate lead frame - Google Patents
Flat plate lead frame Download PDFInfo
- Publication number
- CN203617279U CN203617279U CN201320700171.6U CN201320700171U CN203617279U CN 203617279 U CN203617279 U CN 203617279U CN 201320700171 U CN201320700171 U CN 201320700171U CN 203617279 U CN203617279 U CN 203617279U
- Authority
- CN
- China
- Prior art keywords
- lead
- terminal pin
- lead frame
- pin
- location hole
- 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.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Abstract
The utility model discloses a flat plate lead frame, which is formed by connecting lead frame units (1) in a single row through connecting ribs (2), wherein the lead frame unit (1) comprises a lead head (3) and lead pins, the lead head (3) and the lead pins are located at the same plane, the lead pins comprise side lead pins (4), a middle lead pin (5) and a middle control lead pin (6), the number of the side lead pins (4) is two, the side lead pins (4) and the middle lead pin (5) are all provided with a bonding portion (7), the middle control lead pin (6) is fixedly connected with the lead head (3), the upper part of the middle control lead pin (6) or the lead head (3) is provided with convex strip (8), the bonding portion (7) is a coining area, and the surface of the bonding portion (7) is provided with a conductive layer. The flat plate lead frame disclosed by the utility model is simple in structure, convenient for mold production, bending-free, and capable of installing dual chips.
Description
Technical field
The utility model is specifically related to lead frame, particularly dull and stereotyped lead frame.
Background technology
Along with the development of electron trade, semiconductor device adopts the more and more many of Plastic Package form, this just need to adapt to the lead frame of various different model plastic devices, and lead frame must adapt to the requirement of heat radiation, conduction and the carrying high-power chip of epoxy seal semiconductor device.
Utility model content
Problem to be solved in the utility model is to provide a kind of mould of being convenient to simple in structure and produces, do not bend the dull and stereotyped lead frame of dual chip can be installed.
For addressing the above problem, the technical scheme that the utility model provides is: dull and stereotyped lead frame, connected to form by dowel is single by lead frame unit, described lead frame unit comprises lead riser and terminal pin, described lead riser and terminal pin are in same plane, described terminal pin comprises side terminal pin, middle leads pin and the middle terminal pin of controlling, described side terminal pin is provided with two, described side terminal pin and middle leads pin are provided with bonding part, in the middle of described, controlling terminal pin is fixedly connected with lead riser, in the middle of described, control terminal pin top or lead riser are provided with raised line, described bonding part is pressure-sizing district, described bonding part surface is provided with conductive layer.
As further improvement of the utility model, described lead riser is provided with location hole, and the aperture of described location hole is 3.65-3.71mm, and described raised line height is 0.03mm.Described dowel is provided with location hole, and the aperture of described location hole is 1.59-1.65mm, and the distance between described adjacent positioned hole is 8.7-8.9mm.The limit of described bonding part and lead riser bottom is suitable.
The utility model compared with prior art has the following advantages.
(1), dull and stereotyped lead frame, connected to form by dowel is single by lead frame unit, described lead frame unit comprises lead riser and terminal pin, described lead riser and terminal pin are in same plane, described terminal pin comprises side terminal pin, middle leads pin and the middle terminal pin of controlling, described side terminal pin is provided with two, described side terminal pin and middle leads pin are provided with bonding part, in the middle of described, controlling terminal pin is fixedly connected with lead riser, in the middle of described, control terminal pin top or lead riser are provided with raised line, described bonding part is pressure-sizing district, described bonding part surface is provided with conductive layer.Lead frame of the present utility model is slab design, simple in structure, does not need not bend, and total incapsulation form, increases a terminal pin, can fill two kinds of forms of single, double chip, is widely used in high-grade electronic equipment.
(2), described lead riser is provided with location hole, the aperture of described location hole is 3.65-3.71mm, described raised line height is 0.03mm.Described dowel is provided with location hole, and the aperture of described location hole is 1.59-1.65mm, and the distance between described adjacent positioned hole is 8.7-8.9mm.The limit of described bonding part and lead riser bottom is suitable.Location hole of the present utility model has guaranteed the utility model in use, and position is fixing easy to use.
Accompanying drawing explanation
Fig. 1 is the structural representation of the dull and stereotyped lead frame of the utility model.
In figure: 1-lead frame unit, 2-dowel, 3-lead riser, 4-side terminal pin, 5-middle leads pin, controls terminal pin, 7-bonding part, 8-raised line, 9-1 location hole, 9-2 location hole in the middle of 6-.
Embodiment
Below in conjunction with drawings and Examples, the utility model is improved further to explanation.
As shown in Figure 1, dull and stereotyped lead frame, connected to form by dowel 2 is single by lead frame unit 1, lead frame unit 1 comprises lead riser 3 and terminal pin, lead riser 3 and terminal pin are in same plane, terminal pin comprises side terminal pin 4, middle leads pin 5 and the middle terminal pin 6 of controlling, side terminal pin 4 is provided with two, side terminal pin 4 and middle leads pin 5 are provided with bonding part 7, the middle terminal pin 6 of controlling is fixedly connected with lead riser 3, middle control terminal pin 6 tops or lead riser 3 are provided with raised line 8, bonding part 7 is pressure-sizing district, bonding part 7 surfaces are provided with conductive layer.Lead riser 3 is provided with location hole 9-1, and the aperture of location hole 9-1 is 3.68mm, and raised line height is 0.03mm.Dowel 2 is provided with location hole 9-2, and the aperture of location hole 9-2 is 1.62mm, and the distance between the 9-2 of adjacent positioned hole is 8.8mm.Bonding part 7 is suitable with the limit of lead riser 3 bottoms.
Teachings herein is example of the present utility model and explanation; but do not mean that the obtainable advantage of the utility model is so limited, may be to wherein one or more of the advantage realizing in the simple transformation of structure and/or some execution modes all in the application's protection range in every the utility model practice process.
Claims (4)
1. dull and stereotyped lead frame, it is characterized in that: by lead frame unit (1) by single the connecting to form of dowel (2), described lead frame unit (1) comprises lead riser (3) and terminal pin, described lead riser (3) and terminal pin are in same plane, described terminal pin comprises side terminal pin (4), middle leads pin (5) and the middle terminal pin (6) of controlling, described side terminal pin (4) is provided with two, described side terminal pin (4) and middle leads pin (5) are provided with bonding part (7), in the middle of described, controlling terminal pin (6) is fixedly connected with lead riser (3), in the middle of described, control terminal pin (6) top or lead riser (3) are provided with raised line (8), described bonding part (7) is pressure-sizing district, described bonding part (7) surface is provided with conductive layer.
2. dull and stereotyped lead frame according to claim 1, is characterized in that: described lead riser (3) is provided with location hole (9-1), and the aperture of described location hole (9-1) is 3.65-3.71mm, and described raised line height is 0.03mm.
3. dull and stereotyped lead frame according to claim 1, it is characterized in that: described dowel (2) is provided with location hole (9-2), the aperture of described location hole (9-2) is 1.59-1.65mm, and the distance between described adjacent positioned hole (9-2) is 8.7-8.9mm.
4. dull and stereotyped lead frame according to claim 1, is characterized in that: described bonding part (7) is suitable with the limit of lead riser (3) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320700171.6U CN203617279U (en) | 2013-11-08 | 2013-11-08 | Flat plate lead frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320700171.6U CN203617279U (en) | 2013-11-08 | 2013-11-08 | Flat plate lead frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203617279U true CN203617279U (en) | 2014-05-28 |
Family
ID=50769905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320700171.6U Expired - Fee Related CN203617279U (en) | 2013-11-08 | 2013-11-08 | Flat plate lead frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203617279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103617976A (en) * | 2013-11-08 | 2014-03-05 | 张轩 | Flat plate lead frame |
-
2013
- 2013-11-08 CN CN201320700171.6U patent/CN203617279U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103617976A (en) * | 2013-11-08 | 2014-03-05 | 张轩 | Flat plate lead frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20141108 |
|
| EXPY | Termination of patent right or utility model |