KR101733232B1 - burn-in supporter board preventing reverse insert for back cover - Google Patents

burn-in supporter board preventing reverse insert for back cover Download PDF

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Publication number
KR101733232B1
KR101733232B1 KR1020150090620A KR20150090620A KR101733232B1 KR 101733232 B1 KR101733232 B1 KR 101733232B1 KR 1020150090620 A KR1020150090620 A KR 1020150090620A KR 20150090620 A KR20150090620 A KR 20150090620A KR 101733232 B1 KR101733232 B1 KR 101733232B1
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KR
South Korea
Prior art keywords
back cover
frame
burn
assembled
front frame
Prior art date
Application number
KR1020150090620A
Other languages
Korean (ko)
Other versions
KR20170001811A (en
Inventor
김문정
최동건
심승보
김우경
Original Assignee
공주대학교 산학협력단
주식회사 포스텔
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 공주대학교 산학협력단, 주식회사 포스텔 filed Critical 공주대학교 산학협력단
Priority to KR1020150090620A priority Critical patent/KR101733232B1/en
Publication of KR20170001811A publication Critical patent/KR20170001811A/en
Application granted granted Critical
Publication of KR101733232B1 publication Critical patent/KR101733232B1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/04—Housings; Supporting members; Arrangements of terminals
    • G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/04—Housings; Supporting members; Arrangements of terminals
    • G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • G01R1/0433—Sockets for IC's or transistors
    • G01R1/0441—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/04—Housings; Supporting members; Arrangements of terminals
    • G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • G01R1/0433—Sockets for IC's or transistors
    • G01R1/0441—Details
    • G01R1/0466—Details concerning contact pieces or mechanical details, e.g. hinges or cams; Shielding
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/26—Testing of individual semiconductor devices
    • G01R31/2642—Testing semiconductor operation lifetime or reliability, e.g. by accelerated life tests

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)

Abstract

The present invention relates to a burn-in board support which is prevented from being reversely inserted into a back cover. When the back cover is inserted into the front frame out of the support frames of the burn-in board so that the back cover is inserted in the forward direction, And the back cover is prevented from being inserted backward by catching the rear end of the back cover.
In the present invention, the back cover is assembled only when the back cover is inserted into the frame with the insertion incision formed at the front end of the back cover facing the reverse insertion prevention pin by providing the reverse insertion prevention pin in the front frame of the burn- It is possible to prevent the back cover from being improperly assembled in the reverse direction.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a burn-

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a burn-in board support, and more particularly to a burn-in board support in which back-insertion of the back cover is prevented.

More specifically, the present invention is characterized in that, when the front end of the back cover is not normally inserted in the front frame of the support board of the burn-in board, the rear end of the back cover is engaged, To a burnt board support which prevents the buried board support from being inserted.

In general, various tests are performed to confirm the reliability of a semiconductor chip package. Reliability tests are performed by connecting all the input / output terminals of the semiconductor chip to the test signal generating circuit, A test for the burn-in test is performed by connecting several input and output terminals such as the input terminal of the semiconductor chip package to the test signal generating circuit to apply stress with higher temperature, voltage, current or the like than the normal operating condition to check the life of the chip and the occurrence of defects have.

The semiconductor chip package made for the burn-in test is inserted into the socket of the burn-in board, and then the burn-in test device is put into the test.

Representative prior art related to such burn-in boards are Patent Document 1 (Korean Utility Model Registration No. 20-0163641) and Patent Document 2 (Korean Patent Registration No. 10-0934177).

Patent Document 1 discloses a structure in which a tie-shaped reinforcing bar to be fastened to a PCB edge portion of a laminated burn-in board and a straight reinforcing bar to be fastened to a rim are separately formed, and fastening protrusions to be mutually engaged are formed at the ends of the reinforcing bars, By fixing it to the PCB, it strengthens the strength of the corner and the edge area,

Patent Document 2 discloses a printed circuit board having a printed circuit board on which a plurality of burn-in sockets are mounted on an upper surface thereof, a support panel disposed below the printed circuit board and having a plurality of cap engagement holes, And the insulating cap includes a supporting block having a horizontal surface portion for supporting the bottom surface of the printed circuit board on the upper surface thereof, and a supporting block integrally formed on the bottom surface of the supporting block, And a latching step provided on an outer circumferential surface of the coupling foot to engage with a bottom peripheral wall of the cap engagement hole of the support panel.

Among these conventional burn-in boards, Patent Document 1 increases the bonding force between the reinforcing bars by the fastening protrusions formed at both ends of the reinforcing bar, prevents the parts on the PCB from being damaged by strengthening the bending strength at the edges and rim portions, In Patent Document 2, there is an effect that foreign matter such as particles can be prevented from penetrating into the burn-in socket due to the breakage of the insulating film.

However, in the conventional burn-in board, as shown in FIGS. 5 and 6, the support board is constructed by coupling the back cover 100 in a sliding manner to the frame 200 having a plurality of bars.

The structure of the back cover (100) constituting such a support is different between the front end and the rear end. That is, the groove 100g is formed in the front end portion, and when the installation is installed in the facility, the components constituting the facility must be able to pass through.

When the back cover having different front and rear ends is assembled to the frame, if the direction of the back cover is changed, the assembly is not performed. When the back cover is assembled by force, There is a problem that the back cover is damaged.

Thus, as shown in FIG. 6, an epoxy insulating film 300 is provided on the back cover to determine the directionality. That is, as shown in Fig. 5, both ends of the epoxy insulation film are formed in different shapes, and the epoxy insulation film is provided on the back cover to define the direction in which the back cover can be inserted.

However, when the operator improperly adheres in the process of bonding the epoxy insulation film, the assembly of the frame and the back cover may not be properly inserted in the reverse direction, and the epoxy insulation film may be adhered in such a manner that the tape is adhered , There is a problem that the epoxy insulation film falls during the movement process.

Korean Utility Model Registration No. 20-0163641. Korean Patent No. 10-0934177.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a burn-in board support which has been developed to overcome the problems of the prior art.

More specifically, the present invention relates to a back cover which is provided with an engaging means on a front bar among support bars of a burn-in board so that the rear end of the back cover is not inserted when the front end of the back cover is inserted normally, And an object of the present invention is to provide such a burn-in board support.

In order to accomplish the above object, the present invention provides a burn-in board support for preventing back insertion of a back cover according to the present invention comprises a frame including a front frame, a side frame and a rear frame, Wherein a front end of the back cover is inserted into the front cover, the front cover being capable of being inserted into the frame, the front cover having an insertion cutout portion at both ends thereof only at a front end portion thereof; A side frame installed on both sides of the front frame and having sliding grooves into which both side end portions of the back cover can be inserted; A rear frame which is assembled with the side frame and fixes the back cover to the frame when the back cover is inserted into the front frame and the side frame; And a reverse insertion preventing pin assembled to the front frame at both side ends of the front frame so as not to interfere with the side frame to block the insertion groove. When the back cover is inserted into the frame in the forward direction The front end portion of the back cover is inserted into the insertion groove of the front frame and the rear frame is assembled to the side frame by disposing the insertion incision portion of the back cover at a position where the reverse insertion prevention pin is assembled When the back cover is inserted into the frame in the reverse direction, the rear end portion of the back cover is disposed at a position where the reverse insertion prevention pin is assembled, so that the back cover can not be inserted into the insertion groove of the front frame The rear frame can not be assembled.

At this time, the reverse insertion prevention pin is a set screw, and the fixing holes formed at the opposite end portions of the front frame at positions that do not interfere with the side frames are formed with threads so that the set screws can be assembled, And the reverse insertion prevention pin may be detachably installed.

In the present invention, the back cover is prevented from being reversely inserted, and the back cover is installed in the front frame so that the back cover is inserted into the frame with the insertion incision formed at the front end of the back cover facing the reverse insertion prevention pin It is possible to prevent the back cover from being assembled in the wrong direction in the reverse direction.

1 is a perspective view showing an example of a burn-in board support in the present invention.
2 is a perspective view illustrating a reverse insertion preventing portion of the burn-in board support in the present invention;
3 is a plan view showing a state in which the burn-in board support is normally assembled and reversely assembled in the present invention.
FIG. 4 is a side view showing a reverse insertion preventing portion of the burn-in board support in the present invention. FIG.
5 is a plan view of a burn-in board support having a conventional back cover.
6 is a side view of a burn-in board support having a conventional back cover;

Hereinafter, a burn-in board support in which the back cover according to the present invention is prevented from being inserted backward will be described in detail with reference to the accompanying drawings.

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Like reference numerals are used for like elements in describing each drawing. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The burn-in board support, which is prevented from being inserted back into the back cover according to the present invention, includes a frame 200 including a front frame 200f, a side frame 200s and a rear frame 200b, The back cover 100 can be inserted into the back cover 100. Further, the burn-in board support having the back cover according to the present invention prevented from being reversely inserted has a reverse insertion preventing pin 20 to which the rear end of the back cover is caught.

That is, as described above, the sideboards 200s are provided on both sides of the front frame 200f, and the side frames 200s are disposed on both sides of the side frames 200s in this state, The back cover 100 is inserted between the frames by inserting both side end portions of the back cover 100 along the sliding grooves 210s formed on the mutually facing surfaces and the rear frame 200b is inserted The frame 200 and the back cover 100 are assembled by assembling to the side frame 200s so that the back cover 100 is fixed to the frame 200. [

In the back cover 100 constituting the burn-in board support, the insertion cut-out portion 100g is formed at both end portions of the front end portion, and the insertion cut-out portion is not formed at the rear end portion. When the burn-in board is installed in the test equipment, the components constituting the equipment penetrate.

If the insertion cut-through portion through which the component penetrates is not aligned with the components of the installation, the component pushes up the flat portion of the back cover on which the insertion cut-out portion is not formed, so that the support board or the burn-in board may be damaged. In order to prevent this, the insertion cut-out portion formed on the back cover of the support must be directed to the front end portion of the frame. Therefore, when assembling the back cover, the direction must be exactly the same.

For this, the reverse insertion prevention pin 20 is provided.

1 to 4, when the front end of the back cover 100 is inserted in the forward direction opposite to the front end of the frame 200, that is, the front frame 200f, The incision 100g allows the back cover 100 to pass without interfering with the reverse insertion prevention pin 20 and be inserted to the end. The front end portion of the back cover 100 can be inserted into the insertion groove 210f provided inside the front frame 200f so that the rear frame 200b can be subsequently assembled to the side frame 200f have. That is, when inserting the back cover 100 in the forward direction, the insertion cut-out portion 100g of the back cover is positioned at the position where the reverse insertion prevention pin 20 is assembled, The interference between the pins 20 can be avoided.
3 (b), when the back cover 100 is inserted in the reverse direction, the end of the back cover 100 is caught by the reverse insertion prevention pin 20, The rear frame 200b can not be assembled because the rear frame 200b is not inserted to the inside of the rear frame 200b. That is, when the reverse insertion is performed, the rear end portion of the back cover is positioned at the position where the reverse insertion prevention pin 20 is assembled, so that the rear end portion of the back cover 100 interferes with the reverse insertion prevention pin 20 do. The back cover 100 is prevented from being inserted into the insertion groove 210f of the front frame 200f and the back cover 100 which has not been inserted until the rear end of the back cover 100 is projected toward the rear end side of the frame. Can not be assembled.

Accordingly, it is possible to prevent the back cover 100 from being assembled in the reverse direction.

Although the reverse insertion prevention pins 20 may be formed in various shapes, it is preferable that the reverse insertion prevention pins 20 are made of a set screw so that they can be easily assembled and separated from the frame. In the vicinity of both end portions of the front frame 200f, It is preferable to form the fixing hole 10 in which the screw is screwed. The position of the fixing hole 10 where the reverse insertion prevention pin 20 is assembled to the front frame 200f is determined by the distance between the side frames 200s In the present invention.

10: Fixing hole 20: Reverse insertion prevention pin
100: Back cover 100 g: Insertion incision part
200: frame 200f: front frame
200b: rear frame 200s: side frame
210f: insertion groove 210s: sliding groove

Claims (2)

A frame 200 including a front frame, a side frame, and a rear frame, and includes an insert cutout portion 100g through which the components constituting the burn-in board pass through when the burn-in board is installed, In a burn-in board support in which a cover (100) can be inserted into the frame (200)
A front frame 200f having an insertion groove 210f into which a front end portion of the back cover 100 can be inserted;
A side frame 200s provided on both sides of the front frame 200f and having a sliding groove 210s into which both side ends of the back cover 100 can be inserted;
The back cover 100 is assembled with the side frame 200s when the back cover 100 is inserted into the front frame 200f and the side frames 200s, A frame 200b; And
Insertion preventing pins (20) assembled to the front frame (200f) at both side ends of the front frame (200f) so as not to interfere with the side frames (200s) to block the insertion grooves,
When the back cover 100 is inserted into the frame 200 in the forward direction, the insertion cutout portion 100g of the back cover is disposed at a position where the reverse insertion prevention pin 20 is assembled, A front end portion of the rear frame 100 is inserted into the insertion groove 210f of the front frame 200f so that the rear frame 200b can be assembled to the side frame 200s,
When the back cover 100 is inserted into the frame 200 in a reverse direction, the rear end portion of the back cover 100 is disposed at a position where the reverse insertion prevention pin 20 is assembled, Is not inserted into the insertion groove (210f) of the front frame (200f), so that the rear frame (200b) can not be assembled.
The method according to claim 1,
The reverse insertion prevention pin 20 is a set screw,
The fixing holes 10 are formed at both ends of the front frame 200f so as not to interfere with the side frames 200s so that the set screws can be assembled, Wherein the back cover is detachably mounted to the main body of the burn-in board.
KR1020150090620A 2015-06-25 2015-06-25 burn-in supporter board preventing reverse insert for back cover KR101733232B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150090620A KR101733232B1 (en) 2015-06-25 2015-06-25 burn-in supporter board preventing reverse insert for back cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150090620A KR101733232B1 (en) 2015-06-25 2015-06-25 burn-in supporter board preventing reverse insert for back cover

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KR20170001811A KR20170001811A (en) 2017-01-05
KR101733232B1 true KR101733232B1 (en) 2017-05-25

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102015170B1 (en) 2017-05-16 2019-08-27 주식회사 아네시스 테크놀러지 Side protector of burn in board
CN111965521B (en) * 2020-08-11 2022-08-05 广东利扬芯片测试股份有限公司 Anti-reverse-insertion structure of test board for radio frequency chip and radio frequency chip testing device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101451767B1 (en) 2013-06-26 2014-10-15 몰렉스 인코포레이티드 Card socket preventing inversed insertion

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200163641Y1 (en) 1997-07-25 2000-01-15 김영환 Burn-in board
KR100934177B1 (en) 2009-06-04 2009-12-29 알마인드(주) Burn-in board

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101451767B1 (en) 2013-06-26 2014-10-15 몰렉스 인코포레이티드 Card socket preventing inversed insertion

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