CN-224231821-U - Semiconductor detection chip bearing platform

Abstract

The utility model relates to the technical field of chip detection bearing platforms, in particular to a semiconductor detection chip bearing platform which comprises a placing rack, wherein auxiliary supporting bars for supporting chip antennae are arranged on two sides of the top end of the placing rack. The utility model has the advantages that the auxiliary supporting bars are arranged on both sides of the placing frame and the two pressing plates, meanwhile, the metal antenna on the chip is respectively placed on the two auxiliary supporting bars, after the two electromagnetic coils are electrified, the armature is attracted, the pushing rod pushes the two pressing plates to be away from the auxiliary supporting bars, the chip is placed between the limiting blocks, the electromagnetic coils are powered off, the springs push the two pushing rods to be away from each other, the two pressing plates are used for pressing the metal antenna of the chip, the electrodes are contacted with the metal antenna of the chip, the chip is conveniently detected by external detection equipment, and meanwhile, the metal antenna is prevented from being bent, so that the problems in the prior art are effectively solved.

Inventors

• ZHANG HUIYANG
• HOU LIMING

Assignees

• 桂林艺研科技有限公司

Dates

Publication Date

20260512

Application Date

20250523

Claims (6)

1. 1. The utility model provides a semiconductor detection chip load-bearing platform, includes rack (1), auxiliary support bar (12) that support the chip antenna are all installed to the both sides on the top of rack (1), stopper (10) are all installed to the four sides on rack (1) top surface, pinch-off blades (9) are all installed in the both sides on rack (1) top, metal electrode is inlayed to the inside of pinch-off blades (9), bottom plate (4) are all installed to the both sides of rack (1) bottom, limit seat (2), solenoid (8) and spacing pipe (6) are installed respectively along the direction of keeping away from rack (1) to bottom plate (4), push rod (7) are installed jointly to the inside of limit seat (2), solenoid (8) and spacing pipe (6), the outer wall fixed mounting that push rod (7) are close to spacing pipe (6) has annular armature (5), baffle ring (14) and spring (3) are installed to the outer wall that push rod (7) is close to the outer wall of limit seat (2), recess (16) are installed in the direction of keeping away from rack (1) and are installed limit seat (16), and the inside of connecting seat (16) is installed in recess (16), and the both ends of connecting seat (16) are connected with the fixed pin.
2. 2. The semiconductor detection chip carrying platform as set forth in claim 1, wherein a plurality of through grooves (11) are formed in the middle of the top surface of the placing frame (1), a conical box (13) is installed on the bottom surface, close to the through grooves (11), of the placing frame (1), and a pipeline connected with an external vacuum pump is installed on one side of the bottom end of the conical box (13).
3. 3. The semiconductor test chip carrier of claim 2, wherein the top ends of the plurality of stoppers (10) are provided with bevel angles on one side, and the top surfaces of the plurality of stoppers (10) are lower than the bottom surfaces of the auxiliary supporting bars (12).
4. 4. The semiconductor test chip carrying platform as set forth in claim 3, wherein the middle parts of the two pressing plates (9) are rotatably connected with the two sides of the rack (1) through pins.
5. 5. The semiconductor test chip carrier of claim 4, wherein the two limiting bases (2) comprise a base and an arc limiting plate, and the pushing rod (7) is positioned between the base and the arc limiting plate and is in no contact with the base.
6. 6. The semiconductor test chip carrier of claim 5, wherein the spring is located between the stop ring (14) and the stop seat (2).

Description

Semiconductor detection chip bearing platform Technical Field The utility model relates to the technical field of chip detection bearing platforms, in particular to a semiconductor detection chip bearing platform. Background The semiconductor inspection chip carrier platform is a core device used for fixing, positioning and providing electrical connection for chips (wafer bare chips or packaged devices) in the semiconductor manufacturing and testing process. The chip testing device is used for carrying out functional test on the packaged chips, rapidly screening out defective chips and avoiding defective products from entering a subsequent assembly line. In a conventional chip carrying platform, an electrode contacting with a metal pin of a chip is statically installed, and after the chip is put into the carrying platform, the metal pin of the chip is easy to collide with the electrode on the carrying platform, so that the metal pin of the chip is deformed. Disclosure of utility model The utility model aims to overcome the defects of the prior art, provides a semiconductor detection chip bearing platform, and effectively solves the defects of the prior art. In order to achieve the above object, an embodiment of an aspect of the present utility model provides a semiconductor test chip carrying platform, including a rack, auxiliary supporting bars for supporting chip antennas are installed on two sides of a top end of the rack, limiting blocks are installed on four sides of a top surface of the rack, a compression plate is installed on two sides of a top end of the rack in a rotating manner, metal electrodes are embedded in the compression plate, a bottom plate is installed on two sides of a bottom end of the rack, a limit seat, an electromagnetic coil and a limit tube are installed on the bottom plate along a direction far away from the rack, a push rod is installed in the limit seat, the electromagnetic coil and the limit tube together, an annular armature is fixedly installed on an outer wall of the push rod close to the limit tube, a baffle ring and a spring are installed on an outer wall of the push rod close to the limit seat, a concave connecting seat is installed on an end of the push rod, a limit groove is provided on a bottom end of the compression plate, pins are installed in an inner sliding manner, and two ends of the pins are fixedly connected with the concave connecting seat. By the preferred of above-mentioned arbitrary scheme, a plurality of logical grooves have been seted up at the middle part of rack top surface, the conical box is installed near the bottom surface of logical groove to the rack, the pipeline that is connected with outside vacuum pump is installed to one side of conical box bottom, and the pipeline communicates with outside negative pressure fan through the hose in this scheme, and then after the chip is put at the top surface of rack, conveniently attracts the chip in the top position of rack, and a plurality of stoppers are convenient for carry out spacingly to the chip, prevent that it from taking place the position and remove, make the metal antenna of chip place on auxiliary support bar steadily, effectively prevent that the metal antenna from being crushed. By above-mentioned arbitrary scheme preferred, a plurality of one side on stopper top all is provided with the oblique angle, and a plurality of the top surface of stopper is less than the bottom surface of auxiliary stay strip, is convenient for lead into the putting of chip through using this scheme, makes the chip draw into along the inclined plane between a plurality of stoppers, and is spacing to placing of chip, makes the metal antenna of chip put on two auxiliary stay strips, makes things convenient for the later stage to be connected with the metal contact on a plurality of pressure strips. By the preferred of above-mentioned arbitrary scheme, two the middle part of pressure strip all rotates through the both sides of pin with the rack to be connected, is convenient for make two pressure strips rotate under the drive of catch bar through using this scheme, makes the top of pressure strip can be close to or keep away from the metal antenna of chip, makes things convenient for the operation of getting of chip put. By the preferred two of above-mentioned arbitrary scheme spacing seat all includes base and arc limiting plate, the catch bar is located between base and the arc limiting plate and contactless, and the top fixed connection of screw and base is passed through at the both ends of being convenient for the arc limiting plate through this scheme of use, and then is convenient for block the one end of spring, simultaneously for preventing that the spring from being attracted by solenoid, the spring adopts copper alloy or stainless steel material, guarantees going on smoothly of this loading platform. By above-mentioned arbitrary scheme preferred, the spring is located between baffle ring and the spacing se