Integrated circuit chip packaging structure convenient to disassemble

Abstract

The utility model discloses a packaging structure of an integrated circuit chip convenient to disassemble, which relates to the technical field of integrated circuit chip processing and comprises an upper shell and a lower shell, a substrate is fixedly mounted in the lower shell, a plurality of bare chips are placed on the substrate, and a plurality of pins extend from two ends of the lower shell; and a convenient disassembly assembly is arranged between the upper shell and the lower shell. According to the packaging structure of the integrated circuit chip convenient to disassemble, the convenient disassembly assembly is arranged, the protruding parts of the two sliding clamping blocks are clamped to the top of the upper shell, and the limiting rod is clamped between the two sliding clamping blocks, so that the two shells can be stably connected, during disassembly, the limiting rod is moved to be disengaged from the position between the two sliding clamping blocks, and the disassembly is convenient. And the two sliding clamping blocks are extruded to be close to each other, so that the upper shell can be directly taken down to take out the discarded bare crystal in the lower shell, and the whole disassembly process can be completed by hands without using professional tools, thereby greatly facilitating the disassembly operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to integrated circuit chip processing technical field, concretely is a kind of integrated circuit chip's packaging structure of easy disassembly. BACKGROUND

[0002] Chip refers to the independent carrier that integrated circuit is processed and is made, often also the part of computer or other electronic equipment, generally chip needs to be packaged before being formally put into use, to play the role of depositing, fixing, sealing, protecting chip and enhancing electric heating performance;

[0003] In prior art, the chip packaging structure of completing heat curing packaging cannot be easily opened, thereby leading to the difficulty of wafer recycling for scrapped chip in later period;

[0004] In order to overcome the above-mentioned defects, the prior art (Chinese patent with application number 202420229188.6 and application date of January 31, 2024) a kind of integrated circuit chip packaging structure, by the cooperation between positioning fixed rod, long card plate, short card plate, after the combination of packaging upper shell and packaging lower shell, part of positioning fixed rod extending to the top of packaging upper shell by heat melting can be compacted while ensuring sealing, thereby facilitating the secondary disassembly of packaging upper shell and packaging lower shell in later period, thereby facilitating the recycling of wafer inside chip packaging structure;

[0005] The above-mentioned technology can disassemble the shell, but in actual disassembly, pie-shaped limiting part formed by heat melting on the top of positioning fixed rod needs to be removed to realize, and this step needs to use professional shovel tool to complete, and the operation is relatively inconvenient;

[0006] In view of the above problems, it is urgent to make innovative design on the basis of original equipment, therefore we put forward a kind of integrated circuit chip's packaging structure of easy disassembly can well solve the above problems. INVENTION CONTENTS

[0007] The utility model aims at providing a kind of integrated circuit chip's packaging structure of easy disassembly to solve the problem that positioning fixed rod top heat melting pie-shaped limiting part needs to be removed to realize in actual disassembly, and this step needs to use professional shovel tool to complete, and the operation is relatively inconvenient.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of integrated circuit chip's packaging structure of easy disassembly, including upper shell and lower shell, the inside fixed mounting of lower shell has base plate, a plurality of wafers are placed in the base plate, the both ends of lower shell extend a plurality of pins;

[0009] The upper shell and the lower shell are provided with a convenient disassembly assembly, the convenient disassembly assembly comprises a sliding groove opened on the top of the lower shell on both sides, the inner wall between both ends of the sliding groove is fixedly connected with a fixed rod, the outer side of the fixed rod is slidably connected with two symmetrically distributed sliding clamping blocks, the top of the two sliding clamping blocks is fixedly connected with a spring, the top of the upper shell is provided with a through hole on both sides, the upper shell is correspondingly sleeved on the outer side of the two groups of sliding clamping blocks through the two through holes, and the top of the both sides of the sliding clamping block is formed with a protruding portion, the protruding portion is clamped on the top of the through hole, the two sliding clamping blocks on the same side are clamped with a limiting rod, and the two limiting rods slide on the top of the upper shell, the protruding portion of the two sliding clamping blocks is clamped on the top of the upper shell, the upper shell and the lower shell can be stably connected, and the limiting rod is clamped between the two sliding clamping blocks, so that the stability of the protruding portion of the sliding clamping block clamped on the top of the upper shell can be effectively ensured, when disassembling, the limiting rod is only needed to be slid out of the two sliding clamping blocks along the top of the upper shell, then the two sliding clamping blocks are pressed to move close to the state of adhesion along the fixed rod, the spring is compressed, at this time, the outer diameter of the protruding portion of the two sliding clamping blocks matches the outer diameter of the through hole, the upper shell can be directly taken out upward, the sliding clamping block is separated from the clamping of the upper shell through the through hole, and the disassembly operation is realized, so that the waste bare chip on the substrate in the lower shell can be taken out, the whole disassembly process can be completed manually without the need of using professional tools, so that the disassembly operation is greatly facilitated.

[0010] Preferably, a rotating knob is limitingly and rotatably connected to the center of the top of the upper shell, the rotating knob has an oval structure, the side wall of the two limiting rods is formed with a ball, and the side wall of the rotating knob is provided with an annular groove, the ball is limitingly and slidably arranged in the inner side of the annular groove, through the cooperation of the rotating knob, the ball and the annular groove, the two limiting rods can be stably clamped between the two groups of sliding clamping blocks by clamping the longer axis of the rotating knob with the two balls, and only 90° rotation of the rotating knob is needed to make the longer axis originally clamped with the ball become the shorter axis, so that the two limiting rods can be moved close to each other in the rotating process and synchronously separated from the two groups of sliding clamping blocks, thereby improving the convenience of disassembly operation.

[0011] Preferably, two fixed seats are fixedly connected to the top of the upper shell and symmetrically distributed, and the limiting rod slides in the inner side of the fixed seat to limit the movement of the limiting rod on the straight line on the top of the upper shell.

[0012] Preferably, the difference between the radii of the longer axis and the shorter axis of the rotating knob is equal to the length of the part of the limiting rod inserted between the two sliding clamping blocks, so that after the rotating knob is rotated to 90°, the limiting rod can be completely separated from the sliding clamping blocks to realize smooth disassembly.

[0013] Preferably, one end of the pin inside the lower shell extends out a metal guide sheet, the top of the substrate is formed with a plurality of mounting frames, the bare die card is placed inside the mounting frame, and the metal guide sheet is overlapped on the top of the corresponding bare die. The bare die is placed in the mounting frame to ensure the stability of the electrical conduction of the metal guide sheet overlapped on the bare die. After the upper shell is removed, the metal guide sheet is lifted, and the bare die is pried out of the mounting frame to realize the disassembly of the single bare die, thereby improving the flexibility of the device.

[0014] Preferably, the mounting frame is provided with an opening near one end of the pin, which facilitates the taking of the bare die and also allows the metal guide sheet to be overlapped with the bare die.

[0015] Preferably, the top inner wall of the upper shell is fixedly connected with a pressing plate, and the bottom of the pressing plate is formed with an embedding block corresponding to each mounting frame. By arranging the pressing plate and the embedding block, the top opening of the mounting frame can be blocked by the pressing plate when the upper shell is covered on the lower shell. At the same time, the embedding block is clamped on the inner side of the mounting frame to tightly press the metal guide sheet on the bare die, thereby ensuring the stability of the overlapping of the metal guide sheet and the bare die.

[0016] Compared with the prior art, the packaging structure of the integrated circuit chip convenient to disassemble has the advantages that: the upper shell and the lower shell are stably connected by arranging the convenient disassembly assembly, clamping the protruding part of the two sliding blocks on the top of the upper shell, and clamping the limiting rod between the two sliding blocks. When disassembling, the limiting rod is first slid out of the two sliding blocks, and then the two sliding blocks are squeezed close to each other. The spring is compressed. At this time, the outer diameter of the protruding part of the two sliding blocks matches the outer diameter of the through hole. The upper shell can be directly taken out upward. The sliding block is disconnected from the clamping of the upper shell, and the disassembly operation is realized. The discarded bare die on the substrate inside the lower shell can be taken out. The whole disassembly process can be completed by hand without using professional tools, thereby greatly facilitating the disassembly operation.

[0017] (1) By arranging the convenient disassembly assembly, clamping the protruding part of the two sliding blocks on the top of the upper shell, and clamping the limiting rod between the two sliding blocks, the upper shell and the lower shell are stably connected. When disassembling, the limiting rod is first slid out of the two sliding blocks, and then the two sliding blocks are squeezed close to each other. The spring is compressed. At this time, the outer diameter of the protruding part of the two sliding blocks matches the outer diameter of the through hole. The upper shell can be directly taken out upward. The sliding block is disconnected from the clamping of the upper shell, and the disassembly operation is realized. The discarded bare die on the substrate inside the lower shell can be taken out. The whole disassembly process can be completed by hand without using professional tools, thereby greatly facilitating the disassembly operation.

[0018] (2) Through the cooperation of the knob, the ball block and the ring groove, the longer shaft of the knob is clamped with the two ball blocks, so that the two limiting rods are stably clamped between the two groups of sliding clamping blocks, and only 90° rotation of the knob is needed to make the longer shaft originally clamped with the ball block become the shorter shaft, so that the two limiting rods are driven to move close during rotation, and they are synchronously out of the two groups of sliding clamping blocks, thereby improving the convenience of disassembly operation;

[0019] (3) Through the installation of the frame on the base plate, the bare chip can be positioned and placed to ensure the stability of the metal lead piece lapping on the bare chip for electrical conduction, and after the upper shell is removed, the metal lead piece is only lifted, and the bare chip is pried out from the installation frame to realize the disassembly of a single bare chip, thereby improving the flexibility of the device in use;

[0020] (4) Through the setting of the pressing plate and the embedded pressing block, when the upper shell is covered on the lower shell, the pressing plate is used to block the top opening of the installation frame, and the embedded pressing block is clamped on the inner side of the installation frame to tightly press the metal lead piece on the bare chip, thereby ensuring the stability of the metal lead piece and the bare chip lapping. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a whole structure schematic view of the utility model;

[0022] Figure 2 It is a structure schematic view of the upper shell of the utility model;

[0023] Figure 3 It is a structure schematic view of the lower shell of the utility model;

[0024] Figure 4 It is a front view cut structure schematic view of the two shells of the utility model;

[0025] Figure 5 It is a side view cut structure schematic view of the two shells of the utility model;

[0026] Figure 6 It is a structure schematic view of the utility model Figure 5 It is an enlarged structure schematic view of A in the utility model;

[0027] Figure 7 It is a connection structure schematic view of the knob and the limiting rod of the utility model.

[0028] In the drawing: 1, upper shell; 2, lower shell; 3, base plate; 4, bare chip; 5, pin; 6, sliding groove; 7, fixed rod; 8, sliding clamping block; 9, spring; 10, through hole; 11, limiting rod; 12, fixed seat; 13, knob; 14, ball block; 15, ring groove; 16, metal lead piece; 17, installation frame; 18, pressing plate; 19, embedded pressing block. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] Embodiment one: please refer to Figures 1-7 The utility model provides the following technical scheme: a kind of integrated circuit chip's packaging structure of convenient disassembly, including upper shell 1 and lower shell 2, the inside fixed mounting of lower shell 2 has substrate 3, and several bare dies 4 are placed with limit on substrate 3, and several pins 5 are extended to the both ends of lower shell 2;

[0031] Upper shell 1 and lower shell 2 are provided with convenient disassembly component between, convenient disassembly component includes the sliding slot 6 being opened in the top of lower shell 2 both sides, and the both ends inner wall of sliding slot 6 is fixedly connected with fixed link 7, and the outside of fixed link 7 is slidably connected with the two symmetrical distribution sliding clamping blocks 8, and the top of two sliding clamping blocks 8 is fixedly connected with spring 9, and the top of both sides of upper shell 1 is provided with through-hole 10, and upper shell 1 is correspondingly sleeved in the outside of two groups of sliding clamping blocks 8 by two through-holes 10, and the both sides top of sliding clamping block 8 is formed with protruding part, and protruding part is connected in the top of through-hole 10, and the both sides of two sliding clamping blocks 8 are connected with limiting rod 11, and the top of upper shell 1 is fixedly connected with the two symmetrical distribution fixed seat 12, and limiting rod 11 is slidably in the inside of fixed seat 12, to limit the movement of limiting rod 11 on the top of upper shell 1 straight line, by the protruding part of two sliding clamping blocks 8 being connected in the top of upper shell 1, upper shell 1, lower shell 2 can be firmly connected, and then limiting rod 11 is connected between two sliding clamping blocks 8, which can effectively guarantee the stability of the protruding part of sliding clamping block 8 being connected in the top of upper shell 1, when disassembling, just sliding limiting rod 11 out of two sliding clamping blocks 8 along the top of upper shell 1, then extrude two sliding clamping blocks 8 and move close to the state of adhesion along fixed link 7, spring 9 is compressed, at this time, the outer diameter of the protruding part of two sliding clamping blocks 8 matches the outer diameter of through-hole 10, so that upper shell 1 can be directly taken out upward, sliding clamping block 8 is disconnected from the clamping of upper shell 1 through through-hole 10, that is, disassembly operation is realized, so as to take out the waste bare die 4 on the substrate 3 in the inside of lower shell 2, the whole disassembly process can be completed by hand, without using professional tools, so that disassembly operation is greatly facilitated;

[0032] Meanwhile, the top center of the upper shell 1 is rotationally connected with a rotating knob 13, the rotating knob 13 is an oval structure, the side wall of the two limiting rods 11 is formed with a ball 14, the side wall of the rotating knob 13 is provided with a ring groove 15, the ball 14 is limited to slide in the inner side of the ring groove 15, through the cooperation of the rotating knob 13, the ball 14 and the ring groove 15, the longer shaft of the rotating knob 13 is clamped with the two balls 14, so that the two limiting rods 11 can be stably clamped between the two groups of sliding clamping blocks 8, and only 90° of the rotating knob 13 is rotated, the longer shaft originally clamped with the ball 14 becomes a shorter shaft, so that the two limiting rods 11 can be driven to move close to each other in the rotating process, wherein the difference between the longer shaft and the shorter shaft of the rotating knob 13 is equal to the length of the part of the limiting rod 11 inserted between the two sliding clamping blocks 8, so that after the rotating knob 13 is rotated to 90°, the limiting rod 11 can be completely taken out from the sliding clamping block 8, thereby improving the convenience of disassembly operation.

[0033] Embodiment two:

[0034] On the basis of the embodiment one, one end of the pin 5 extending out of the metal guide sheet 16 inside the lower shell 2, the top of the substrate 3 is formed with a plurality of mounting frames 17, the bare dies 4 are clamped and placed in the inner side of the mounting frame 17, the metal guide sheet 16 is lapped on the top of the corresponding bare die 4, the bare die 4 is limited and placed through the mounting frame 17, so as to ensure the stability of the electrical conduction of the metal guide sheet 16 lapped on the bare die 4, after the upper shell 1 is removed, only the metal guide sheet 16 is lifted, and the bare die 4 is pried out from the mounting frame 17, so that the disassembly of the single bare die 4 can be realized, thereby improving the flexibility of the device use, and the end of the mounting frame 17 close to the pin 5 is provided with an opening, the opening is convenient for taking the bare die 4, and also can be used for the metal guide sheet 16 to lap with the bare die 4;

[0035] Meanwhile, the top inner wall of the upper shell 1 is fixedly connected with a pressing plate 18, the bottom of the pressing plate 18 is formed with an embedded block 19 at the position corresponding to each mounting frame 17, through the setting of the pressing plate 18 and the embedded block 19, when the upper shell 1 is covered on the lower shell 2, the top opening of the mounting frame 17 is blocked by the pressing plate 18, and at the same time, the embedded block 19 is clamped in the inner side of the mounting frame 17, so as to tightly press the metal guide sheet 16 on the bare die 4, thereby ensuring the stability of the lapping of the metal guide sheet 16 and the bare die 4.

[0036] In the description of the present application, it should be explained that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0037] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A convenient disassembly integrated circuit chip packaging structure, comprising an upper shell (1) and a lower shell (2), the inside of the lower shell (2) is fixedly provided with a substrate (3), a plurality of bare dies (4) are positioned on the substrate (3), and a plurality of pins (5) extend from both ends of the lower shell (2). characterized in that A convenient disassembly assembly is arranged between the upper shell (1) and the lower shell (2), the convenient disassembly assembly comprises a sliding groove (6) opened on both sides of the top of the lower shell (2), the both ends of the inner wall of the sliding groove (6) are fixedly connected with a fixed rod (7), the outer side of the fixed rod (7) is slidably connected with two symmetrically distributed sliding clamping blocks (8), the top of the two sliding clamping blocks (8) is fixedly connected with a spring (9), the top of the upper shell (1) is provided with a through hole (10), the upper shell (1) is correspondingly sleeved on the outer side of the two groups of sliding clamping blocks (8) through the two through holes (10), and the both sides of the top of the sliding clamping block (8) is formed with a protruding portion, the protruding portion is clamped on the top of the through hole (10), and the two sliding clamping blocks (8) on the same side are clamped with a limiting rod (11), and the two limiting rods (11) slide on the top of the upper shell (1).

2. The easily detachable package structure of an integrated circuit chip according to claim 1, wherein: The top center of the upper shell (1) is rotationally connected with a rotating knob (13), the rotating knob (13) is an elliptical structure, the side wall of the two limiting rods (11) is formed with a ball (14), and the side wall of the rotating knob (13) is provided with an annular groove (15), and the ball (14) is limitedly slid on the inner side of the annular groove (15).

3. The easily detachable package structure of an integrated circuit chip according to claim 2, wherein: The top of the upper shell (1) is fixedly connected with two symmetrically distributed fixed seats (12), and the limiting rod (11) slides in the inner side of the fixed seat (12).

4. The easily detachable package structure of an integrated circuit chip according to claim 2, wherein: The difference between the longer axis and the shorter axis of the rotating knob (13) is equal to the length of the part of the limiting rod (11) inserted between the two sliding clamping blocks (8).

5. The easily detachable integrated circuit chip package structure of claim 1, wherein: One end of the pin (5) inside the lower shell (2) extends out a metal guide piece (16), the top of the substrate (3) is formed with a plurality of mounting frames (17), the bare die (4) is clamped and placed on the inner side of the mounting frame (17), and the metal guide piece (16) is overlapped on the top of the corresponding bare die (4).

6. The easily detachable package structure of an integrated circuit chip according to claim 5, wherein: The end of the mounting frame (17) close to the pin (5) is provided with an opening.

7. The easily detachable integrated circuit chip package structure of claim 6, wherein: The inner wall of the top of the upper shell (1) is fixedly connected with a pressing plate (18), and the bottom of the pressing plate (18) is formed with an embedding block (19) at a position corresponding to each mounting frame (17).

Images