CN217822786U

CN217822786U - Pin frame with welding connection rib

Info

Publication number: CN217822786U
Application number: CN202221957099.0U
Authority: CN
Inventors: 巢哲骏
Original assignee: Chang Lijun Electronic Technology Co ltd
Current assignee: Chang Lijun Electronic Technology Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-11-15
Anticipated expiration: 2032-07-27

Abstract

The utility model discloses a pin frame with add welding tie bar relates to pin frame technical field. This lead frame with add welding connection muscle, including lead frame installation unit, the inside of lead frame installation unit is equipped with the chip base island, and the outer wall of chip base island is equipped with stabilizes the welding connection muscle, and the quantity of stabilizing the welding connection muscle is two at least, stabilizes the welding connection muscle and evenly surrounds around the chip base island. This lead frame with add welding joint bar can be at the in-process that lead frame connects main part board lead frame and uses the fastness when can increasing chip base island use through the setting of eight groups of stable welding joint bars, and then can improve the quality of chip base island to it is eight style of calligraphy settings to stabilize the welding joint bar through every group, can increase the stability of chip base island when using.

Description

Pin frame with additional welding connecting rib

Technical Field

The utility model relates to a pin frame technical field, in particular to pin frame.

Background

The lead frame is also called a lead frame, is a chip carrier of an integrated circuit, is a key structural member for realizing the electrical connection of a circuit leading-out end inside a chip and forming an electrical loop by means of bonding materials, and plays a role of a bridge connected with an external lead.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a lead frame with add welding tie bar, can solve partial lead frame at the in-process that uses, owing to have a set of tie bar greatly to, and then probably lead to the unstable problem that causes the damage to the inside chip in base island of the inside base island of lead frame.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lead frame with add welding connection muscle, includes lead frame installation unit, and lead frame installation unit's inside is equipped with the chip base island, and the outer wall on chip base island is equipped with stabilizes the welding connection muscle, and the quantity of stabilizing the welding connection muscle is two at least, stabilizes the welding connection muscle and evenly surrounds around the chip base island.

Preferably, the inner wall fixedly connected with pin frame of pin frame installation unit connects the main part board, the installation breach of stepping down has been seted up to the inside of pin frame connection main part board, the inboard top of installation breach of stepping down has a supporting seat piece with the equal fixed mounting in inboard bottom, the quantity of supporting seat piece is two sets of, the opposite face fixed mounting that two sets of supporting seats prop up the piece has heat dissipation type joint support seat, heat dissipation type joint support seat's top fixed mounting has stable welded connection muscle, the top of stable welded connection muscle and the bottom fixed mounting of chip base island, the setting can increase the steadiness of chip base island like this.

Preferably, the quantity of stabilizing the welded connection muscle is eight, and per two stabilize the welded connection muscle and be a set of, and every all stabilizes the welded connection muscle and is the slope setting, and every group stabilizes the welded connection muscle and is "eight" style of calligraphy setting, sets up the stability that can increase chip base island like this.

Preferably, the radiating holes are formed in the radiating type connecting and supporting seat, the mounting port is formed in the chip base island and is distributed in a rectangular shape, the number of the radiating holes is four, the distance between every two adjacent radiating holes is equal, and the radiating effect of the radiating type connecting and supporting seat can be improved due to the arrangement.

Preferably, the number of the heat dissipation type connecting and supporting seats is four, and the four groups of the heat dissipation type connecting and supporting seats are respectively positioned on the left side, the right side, the upper side and the lower side of the chip base island, so that the heat dissipation strength of the lead frame can be improved.

Compared with the prior art, the beneficial effects of the utility model are that: this pin frame with add welding joint bar, through the supporting seat piece, heat dissipation type joint support seat uses with the cooperation of stabilizing the welding joint bar, can be at the in-process that pin frame connects main part board pin frame and use the fastness when can increasing chip base island use through the setting of eight groups of stable welding joint bars, and then can improve the quality of chip base island, and be eight style of calligraphy settings through every group of stable welding joint bar, can increase the stability of chip base island when using, avoid the inside semiconductor chip of chip base island when shifting, because the relatively poor condition that leads to its damage of chip base island stability, and then can reduce the condition that chip base island caused property loss when using, and can increase the holistic radiating effect of pin frame through the last louvre of heat dissipation type joint support seat, improve its life-span that uses, and then can further increase the practicality of device.

Drawings

The invention is further described below with reference to the following figures and examples:

FIG. 1 is a front view of the present invention;

fig. 2 is an enlarged view of the part a of the present invention.

Reference numerals: 1. a lead frame mounting unit; 2. the lead frame is connected with the main body plate; 3. a abdication installation gap; 4. supporting the base supporting block; 5. the heat dissipation type is connected with the supporting seat; 6. stably welding the connecting ribs; 7. an installation port; 8. heat dissipation holes; 9. and a chip base island.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a lead frame with add welding tie-bar, includes lead frame installation unit 1, and the inside of lead frame installation unit 1 is equipped with chip base island 9, and the outer wall of chip base island 9 is equipped with stabilizes welding tie-bar 6, and the quantity of stabilizing welding tie-bar 6 is two at least, stabilizes welding tie-bar 6 and evenly surrounds around chip base island 9.

Further, inner wall fixedly connected with pin frame connection main part board 2 of pin frame installation unit 1, the installation breach of stepping down 3 has been seted up to the inside of pin frame connection main part board 2, the inboard top of installation breach of stepping down 3 and the equal fixed mounting in inboard bottom have a supporting seat prop up piece 4, the quantity of supporting seat prop up piece 4 is two sets of, the opposite face fixed mounting of two sets of supporting seat prop up pieces 4 has heat dissipation type joint support seat 5, heat dissipation type joint support seat 5's top fixed mounting has stable welded connection muscle 6, the top of stable welded connection muscle 6 and the bottom fixed mounting of chip foundation island 9, supporting seat prop up piece 4, heat dissipation type joint support seat 5 and the cooperation of stable welded connection muscle 6 use, can increase the fastness when chip foundation island 9 uses through the setting of eight sets of stable welded connection muscle 6 in the in-process that pin frame connection main part board 2 pin frame used, and then can improve the quality of chip foundation island 9.

Further, the quantity of stabilizing welding connection muscle 6 is eight, per two stabilize welding connection muscle 6 and be a set of, every all stabilizes welding connection muscle 6 and is the slope setting, every group stabilizes welding connection muscle 6 and is the setting of "eight" style of calligraphy, every group stabilizes welding connection muscle 6 and is the setting of eight style of calligraphy, can increase the stability of chip base island 9 when using, avoid the inside semiconductor chip of chip base island 9 when shifting, because the relatively poor condition that leads to its damage of chip base island 9 stability, and then can reduce the condition that chip base island 9 caused loss of property when using.

Still further, louvre 8 has been seted up to the inside of heat dissipation type joint support seat 5, and installing port 7 has been seted up to the inside of chip base island 9, and installing port 7 is the rectangle and distributes, and the quantity of louvre 8 is four groups, and the distance between every group louvre 8 equals, and louvre 8 on the heat dissipation type joint support seat 5 can increase the holistic radiating effect of pin frame, improves its life-span of using, and then the practicality of increase device that can be further.

Secondly, the quantity of heat dissipation type connection supporting seat 5 is four groups, is located the left side of chip base island 9 respectively, right side, top and below, and the setting can strengthen the heat dissipation of lead frame effectively like this, improves the intensity when the chip uses.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A lead frame with a welded connection rib is characterized in that: the method comprises the following steps:

the lead frame installation unit (1), the inside of lead frame installation unit (1) is equipped with chip base island (9), and the outer wall of chip base island (9) is equipped with stabilizes welded connection muscle (6), and the quantity of stabilizing welded connection muscle (6) is two at least, stabilizes welded connection muscle (6) and evenly surrounds around chip base island (9).

2. A lead frame with soldered connector bars as defined in claim 1, wherein: inner wall fixedly connected with pin frame connection main part board (2) of pin frame installation unit (1), the installation breach of stepping down (3) has been seted up to the inside of pin frame connection main part board (2), the inboard top and the inboard equal fixed mounting in bottom of the installation breach of stepping down (3) have supporting seat to prop up piece (4), the quantity that supporting seat prop up piece (4) is two sets of, the opposite face fixed mounting that two sets of supporting seats prop up piece (4) has heat dissipation type joint support seat (5), the top fixed mounting of heat dissipation type joint support seat (5) has stable welded connection muscle (6), the top of stabilizing welded connection muscle (6) and the bottom fixed mounting of chip base island (9).

3. A lead frame with soldered connector bars as defined in claim 2, wherein: stabilize the quantity of welded connection muscle (6) and be eight, per two stabilize welded connection muscle (6) and be a set of, every all stabilizes welded connection muscle (6) and is the slope setting, and every group stabilizes welded connection muscle (6) and is "eight" style of calligraphy setting.

4. A lead frame with soldered connector bars as in claim 3 wherein: the heat dissipation type connection supporting seat is characterized in that heat dissipation holes (8) are formed in the heat dissipation type connection supporting seat (5), a mounting opening (7) is formed in the chip base island (9), the mounting opening (7) is distributed in a rectangular mode, the number of the heat dissipation holes (8) is four, and the distance between every two heat dissipation holes (8) is equal.

5. A leadframe with soldered connector ribs according to claim 4, wherein: the number of the heat dissipation type connecting and supporting seats (5) is four, and the four groups of the heat dissipation type connecting and supporting seats are respectively positioned on the left side, the right side, the upper side and the lower side of the chip base island (9).