CN220914218U - High strenghthened type lead frame of stability - Google Patents
High strenghthened type lead frame of stability Download PDFInfo
- Publication number
- CN220914218U CN220914218U CN202322413229.5U CN202322413229U CN220914218U CN 220914218 U CN220914218 U CN 220914218U CN 202322413229 U CN202322413229 U CN 202322413229U CN 220914218 U CN220914218 U CN 220914218U
- Authority
- CN
- China
- Prior art keywords
- lead frame
- frame body
- block
- clamping
- top surface
- 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.)
- Active
Links
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 238000003780 insertion Methods 0.000 claims abstract description 12
- 230000037431 insertion Effects 0.000 claims abstract description 12
- 239000003292 glue Substances 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims abstract description 6
- 239000007924 injection Substances 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 7
- 229910052709 silver Inorganic materials 0.000 claims description 7
- 239000004332 silver Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract 1
- 238000007747 plating Methods 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Lead Frames For Integrated Circuits (AREA)
Abstract
The utility model relates to a high-stability reinforced lead frame, which belongs to the technical field of lead frames; the substrate is provided with a lead frame body; the plurality of inserting blocks are movably inserted into slots formed in the lead frame body respectively; the middle part of the insertion block is provided with a glue injection hole; the connecting rods are fixedly arranged on the bottom surface of the insertion block at equal round angles respectively, and after movably penetrating through the slots, the connecting rods extend into clamping grooves formed in the base plate; the longitudinal section of the clamping groove is in an inverted T-shaped structure; the fixture block is fixed to be set up on the lower extreme lateral wall of connecting rod, and the fixture block is the cubic setting of triangle, and the fixture block is established with the interior top surface looks activity card of draw-in groove, adopts the structure of fixed point joint, when carrying out accurate positioning to lead frame, can increase the stability of being connected between lead frame and the base plate, has guaranteed subsequent quality.
Description
Technical Field
The utility model relates to the technical field of lead frames, in particular to a high-stability reinforced lead frame.
Background
The lead frame is used as a chip carrier of an integrated circuit, is a key structural member for realizing the electric connection between an internal circuit lead-out end of the chip and an external lead by means of bonding materials and forming an electric loop, plays a role of a bridge connected with an external lead, and most of semiconductor integrated blocks need to use the lead frame, thus being an important basic material in the electronic information industry. In the prior art, the lead frame is generally connected with the external substrate by adopting a direct adhesive bonding mode, under the condition that the lead frame is heated in the later period, the lead frame is easy to degumm and loose, and the use of the lead frame is seriously affected, so that a high-stability reinforced lead frame is needed.
Disclosure of utility model
The utility model aims to overcome the defects and shortcomings of the prior art and provide a reinforced lead frame with reasonable design and high stability, which can solve the technical problems in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the lead frame comprises a lead frame body and a substrate, wherein the lead frame body is arranged on the substrate;
It also comprises:
The plurality of the inserting blocks are movably inserted into slots formed in the lead frame body respectively; the middle part of the insertion block is provided with a glue injection hole;
The connecting rods are fixedly arranged on the bottom surface of the insertion block at equal round angles respectively, and extend into clamping grooves formed in the substrate after movably penetrating through the slots; the longitudinal section of the clamping groove is in an inverted T-shaped structure;
The clamping block is fixedly arranged on the side wall of the lower end of the connecting rod, and is in a triangular block shape, and the clamping block is movably clamped with the inner top surface of the clamping groove.
As a further improvement of the utility model, the top surface of the lead frame body is provided with an annular V-shaped groove.
Through above-mentioned technical scheme design, through the setting of annular "V" groove, increased the bonding strength of lead frame body and outside plastic envelope material.
As a further improvement of the utility model, a silver plating layer is arranged on the side wall of the lead frame body.
Through the design of the technical scheme, the anti-corrosion performance of the lead frame body is improved through the arrangement of the silver plating layer.
As a further improvement of the utility model, arc-shaped chamfer angles are arranged on the side edges of the clamping blocks.
Through above-mentioned technical scheme design, the setting of arc chamfer has increased the fixture block and has inserted the smoothness nature of establishing in the draw-in groove.
As a further improvement of the utility model, the top surface of the insertion block is fixedly provided with a limiting plate, and the limiting plate is movably embedded in a step groove formed in the top surface of the lead frame body.
Through above-mentioned technical scheme design, the limiting plate carries out spacingly to the position of inserted block, simultaneously, does not protrude in the top surface of lead frame body.
Compared with the prior art, the utility model has the beneficial effects that: the reinforced lead frame with high stability adopts a fixed point clamping structure, can increase the stability of connection between the lead frame and the substrate while accurately positioning the lead frame, ensures the subsequent quality, and has the advantages of reasonable arrangement, low manufacturing cost and the like.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the internal structure of the present utility model.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Reference numerals illustrate:
the lead frame comprises a lead frame body 1, a substrate 2, an inserting block 3, a slot 4, a glue injection hole 5, a connecting rod 6, a clamping groove 7, a clamping block 8, an annular V-shaped groove 9, a silver plating layer 10, a limiting plate 11 and a step groove 12.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the technical scheme adopted in the specific embodiment comprises a lead frame body 1 and a substrate 2, wherein the lead frame body 1 is arranged on the substrate 2; the top surface of the lead frame body 1 is etched with an annular V-shaped groove 9; through the arrangement of the annular V-shaped groove 9, the bonding strength between the lead frame body 1 and the external plastic packaging material is increased; a silver plating layer 10 is arranged on the side wall of the lead frame body 1; the anti-corrosion performance of the lead frame body 1 is improved through the arrangement of the silver plating layer 10;
It also comprises:
The plurality of the inserting blocks 3 are movably inserted into slots 4 formed in the lead frame body 1 respectively; the middle part of the insert block 3 is provided with a glue injection hole 5; the top surface of the insertion block 3 is integrally formed with a limiting plate 11, and the limiting plate 11 is movably embedded in a step groove 12 formed in the top surface of the lead frame body 1; the limiting plate 11 limits the position of the insert block 3 and is not protruded from the top surface of the lead frame body 1;
The connecting rods 6 are a plurality of connecting rods 6, are respectively and fixedly arranged on the bottom surface of the insertion block 3 at equal round angles, the connecting rods 6 are elastic rods, and the connecting rods 6 extend into clamping grooves 7 formed in the base plate 2 after movably penetrating through the slots 4; the longitudinal section of the clamping groove 7 is in an inverted T-shaped structure;
The clamping block 8 is fixedly arranged on the side wall of the lower end of the connecting rod 6, the clamping block 8 is in a triangular block shape, the clamping block 8 is movably clamped with the inner top surface of the clamping groove 7, and arc-shaped chamfers are arranged on the side edges of the clamping block 8; the arrangement of the arc chamfer increases the smoothness of the insertion of the clamping block 8 in the clamping groove 7.
When the utility model is used, during installation, the lead frame body 1 is arranged on the substrate 2, the insertion block 3, the connecting rod 6 and the clamping block 8 are inserted into the clamping groove 7 after passing through the slot 4, and the clamping block 8 is clamped with the clamping groove 7 at the moment, so that the lead frame body 1 is prevented from slipping off, and then glue is injected between the insertion block 3 and the clamping groove 7 through the glue injection hole 5, so that the connection tightness and stability are further improved.
After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:
1. The arrangement of the insert block 3, the slot 4, the clamping block 8 and the clamping groove 7 adopts a fixed-point clamping structure, so that the stability of connection between the lead frame and the substrate 2 can be improved while the lead frame is precisely positioned, and the subsequent quality is ensured;
2. the provision of the silver plating layer 10 increases the corrosion resistance of the lead frame body 1.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. A high-stability reinforced lead frame comprises a lead frame body (1) and a substrate (2), wherein the substrate (2) is provided with the lead frame body (1);
Characterized in that it further comprises:
The plurality of the inserting blocks (3) are movably inserted into slots (4) formed in the lead frame body (1) respectively; the middle part of the insert block (3) is provided with a glue injection hole (5);
the connecting rods (6) are fixedly arranged on the bottom surface of the insertion block (3) at equal round angles respectively, and the connecting rods (6) extend into clamping grooves (7) formed in the base plate (2) after movably penetrating through the slots (4); the longitudinal section of the clamping groove (7) is in an inverted T-shaped structure;
The clamping block (8), the clamping block (8) fixedly arranged on the side wall of the lower end of the connecting rod (6), the clamping block (8) is in a triangular block shape, and the clamping block (8) is movably clamped with the inner top surface of the clamping groove (7).
2. A high stability reinforced leadframe according to claim 1, wherein: an annular V-shaped groove (9) is formed in the top surface of the lead frame body (1).
3. A high stability reinforced leadframe according to claim 1, wherein: and a silver coating (10) is arranged on the side wall of the lead frame body (1).
4. A high stability reinforced leadframe according to claim 1, wherein: arc chamfers are arranged on the side edges of the clamping blocks (8).
5. A high stability reinforced leadframe according to claim 1, wherein: the top surface of the insertion block (3) is fixedly provided with a limiting plate (11), and the limiting plate (11) is movably embedded in a step groove (12) formed in the top surface of the lead frame body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322413229.5U CN220914218U (en) | 2023-09-06 | 2023-09-06 | High strenghthened type lead frame of stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322413229.5U CN220914218U (en) | 2023-09-06 | 2023-09-06 | High strenghthened type lead frame of stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220914218U true CN220914218U (en) | 2024-05-07 |
Family
ID=90915153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322413229.5U Active CN220914218U (en) | 2023-09-06 | 2023-09-06 | High strenghthened type lead frame of stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220914218U (en) |
-
2023
- 2023-09-06 CN CN202322413229.5U patent/CN220914218U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220914218U (en) | High strenghthened type lead frame of stability | |
| CN208214866U (en) | A kind of cranked plate boring jig | |
| CN112240947A (en) | Assembly method of ultrahigh frequency spring probe test assembly | |
| CN209687165U (en) | It is a kind of can be with the bracket of the quick adhesive solidification of glass for vehicle window | |
| CN214738871U (en) | Portable splicing water stop | |
| CN212961161U (en) | LED lamp fixed bolster convenient to use | |
| CN211479809U (en) | Transformer substrate | |
| CN216589437U (en) | High-inlaying-degree plate based on intelligent household plate core layer | |
| CN217822326U (en) | Flange formula transformer porcelain bushing mucilage binding structure | |
| CN208934269U (en) | A kind of watt hook | |
| CN214673319U (en) | Network filter with rubber base | |
| CN214349504U (en) | Supporting insert for mold core structure | |
| CN219360351U (en) | Connecting tool die for silica gel sealing strip | |
| CN208478511U (en) | A kind of waterproof lithium battery protection board | |
| CN220565559U (en) | High polymer coiled material hot welding anchoring device | |
| CN207839353U (en) | A kind of car light gluing auxiliary mould | |
| CN213340546U (en) | Battery packaging shell | |
| CN218385214U (en) | Solar photovoltaic module plastic packaging structure | |
| CN209019909U (en) | The combination of corrugation beer card | |
| CN216354544U (en) | Sleeving structure for installation of battery outer-wrapping injection molding part | |
| CN214753712U (en) | Lead frame structure for semiconductor packaging | |
| CN109514890B (en) | Method for manufacturing vacuum port of composite material mold | |
| CN221581003U (en) | Gasket for improving coating stringing | |
| CN220963304U (en) | Rectifier bridge packaging structure | |
| CN218701779U (en) | Can dismantle compound bubble of concatenation is cotton |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |