JPH05315420A - Burn-in equipment - Google Patents

Abstract

PURPOSE:To simply check the connection state of an electronic parts and a burn-in power supply, from the front side where the electronic parts is carried in and out, by fixing a first leading-out means which retains and connects the electronic parts mounted on a circuit board, on the rear surface of an opening and shutting lid, and fixing a second leading-out means connected with the first leading-out means, on the front surface of the lid. CONSTITUTION:A terminal 11a of an electronic parts 11 is detachably mounted on each socket 13 of a circuit board 12. The rear end portion of the circuit board 12 which mounts the electronic parts 11 is engaged with an inner connector 32a fixed on the rear surface of an opening and shutting lid 32. Thereby the electronic parts 11 mounted on the socket 13 is connected with an inner connector 32a via a contact pattern. An outer connector 32b connected with the inner connector 32a is fixed on the front surface of the lid 32. The electronic parts 11 mounted on the circuit board 12 whose rear end portion is engaged with the inner connector 32a is electrically led out on the front surface of the lid 32, via the socked 13, the contact pattern, the inner connector 32a and the outer connector 32b.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a burn-in apparatus for a burn-in test for applying a voltage to an electronic component heated to a predetermined temperature to remove an initial defect thereof, and particularly to an electronic component and a burn-in for applying a voltage to this electronic component. The present invention relates to a burn-in device that can easily check the connection state with a power supply.

[0002]

2. Description of the Related Art Next, a conventional burn-in system will be described with reference to FIG. 2A and 2B are explanatory views of a conventional burn-in device. FIG. 2A is a schematic perspective view of the burn-in device, and FIG. 2B is a side sectional view of a main part of the burn-in device.

As shown in FIG. 1 (a), the conventional burn-in system has a thermostatic chamber main body 21, an opening / closing door 22, a control section 23, and an energizing connector 24. The structure and operation will be described in detail by describing the procedure for performing a burn-in test on an electronic component such as a semiconductor device by the conventional burn-in device with reference to FIGS.

First, the terminals (not shown) of the electronic component 11 are repeatedly inserted into all the sockets (not shown) mounted on the wiring board 12 in a row, and a plurality of wirings on which the electronic component 11 is mounted are mounted. The substrate 12 is prepared.

Next, the wiring board 12 is inserted into the constant temperature bath main body 21, and the tip of the wiring substrate 12 is fitted into the current-carrying connector 24 fixed to the back plate in the constant temperature bath main body 21. By this fitting, the electronic component 11 is connected to the burn-in power supply (not shown) via the wiring board 12 and the energizing connector 24.

Thereafter, the opening / closing door 22 locked to the constant temperature bath main body 21 by a hinge or the like (not shown) is rotated to close and seal the opening 21a of the constant temperature bath main body 21 and the control unit 23. A current is supplied to a heater (not shown) arranged around the constant temperature bath main body 21 via the to heat the inside of the constant temperature bath main body 21.

When the temperature of the electronic component 11 housed in the thermostat main body 21 reaches a predetermined temperature, a burn-in power source (not shown) is controlled via the control unit 23 to preset a predetermined voltage. The electronic component 11 is applied (energized) for a predetermined time.

When the above energization is completed, the wiring board 12 is taken out from the thermostat main body 21, the electronic component 11 is removed from the wiring board 12, and the electrical characteristics of the electronic component 11 are tested by a tester (not shown). The burn-in test of a series of electronic components is completed by performing a test to determine whether each is good or bad.

Reference numeral 25 is a guide rail fixed to the bottom surface of the thermostat main body 21, and a guide groove 25 provided in the longitudinal direction thereof.
When both upper and lower sides of the wiring board 12 are fitted to a and the wiring board 12 is pushed into the deep part of the constant temperature bath main body 21 as it is, the tip end thereof is fitted into the current-carrying connector 24 as described above.

[0010]

However, in the conventional burn-in device, the electronic components housed in the thermostat main body 21 from the front side thereof, that is, the side from which the electronic components 11 are taken in and out.
11 could not check the connection status with the burn-in power supply.

The present invention has been made to solve such a problem, and its purpose is to easily connect the burn-in power source and electronic parts from the front side, which is the side for taking in and out electronic parts. There is a burn-in device that can be checked.

[0012]

As shown in FIG. 1, the above-described object is to provide the wiring board 12 on the inner surface of the tank facing the opening 31a for inserting and removing the wiring board 12 on which the electronic component 11 is mounted.
Connecting means 34 for inserting the tip of the and connecting with the electronic component 11
And a lid 32 for freely opening and closing the opening 31a of the constant temperature bath main body 31 with the back surface facing the connecting means 34.
And the constant temperature bath main body whose opening 31a is closed by the opening / closing lid 32.
A control unit 33 for controlling the temperature inside 31 to an arbitrary temperature via a heating unit, and an electronic component 11 mounted on the wiring board 12 fitted in the connection unit 34, an arbitrary voltage controlled by the control unit 33. In a burn-in device including a burn-in power source for energizing the electronic parts for an arbitrary time, the opening / closing lid 32 has a first lead-out means 32a for fitting one end portion of the wiring board 12 into the back surface of the opening / closing lid 32 to connect to the electronic component 11. Having it, on its front, the first
And a second derivation means 32a connected to the derivation means 32a.

[0013]

In the burn-in device of the present invention, the opening / closing lid 32
The second lead-out means connected to the first lead-out means 32a is fixed to the rear surface of the first lead-out means 32a which is held and connected to the electronic component 11 mounted on the wiring board 12 and is connected to the front face thereof.
32b is fixed.

Therefore, even if the wiring board 12 held by the first deriving means 32a is housed in the constant temperature bath main body 31, the electronic component 11 mounted on the wiring board 12 is still attached to the first deriving means 32a.
The second lead-out means 32b cooperates with each other to electrically lead out to the front surface of the opening / closing lid 32.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A burn-in apparatus according to an embodiment of the present invention will be described below with reference to FIG. FIG. 1 is an explanatory diagram of a burn-in device according to an embodiment of the present invention.
Is a schematic perspective view of the burn-in device, (b) is a rear view of the opening / closing lid, and (c) is a side view of the opening / closing lid.

In this specification, the same reference numerals are given to the same parts, the same materials and the like throughout the drawings. The burn-in device of one embodiment of the present invention is shown in FIG.
As shown in (b) and (c), the thermostatic chamber main body 31, the opening / closing lid 32, the control unit 33, the energizing connector 34, and the burn-in power source (not shown) are included.

As with the conventional burn-in apparatus described with reference to FIG. 2, the burn-in apparatus of this embodiment of the present invention is also structured by describing the procedure for performing the burn-in test of the electronic component 11 mounted on the wiring board 12. And the operation will be described in detail.

First, a plurality of wiring boards 12 are prepared by mounting the sockets 13 in a scattered manner, and the terminals 11a (see FIG. 2B) of the electronic component 11 are attached to and detached from the respective sockets 13 of the respective wiring boards 12. Install freely.

Next, after facing the rear end portion of the wiring board 12 on which the electronic component 11 is mounted, that is, the rear surface of the opening / closing lid 32, to the internal connector 32a which is the first lead-out means fixed to the rear surface of the opening / closing lid 32. Insert the end.

Since a contact pattern (not shown) connected to each socket 13 is provided at the rear end of the wiring board 12, the electronic component 11 mounted on the socket 13 has a contact pattern. It will be connected to the above-mentioned internal connector 32a through.

Further, the opening / closing lid 32 fixes an external connector 32b, which is a second lead-out means connected to the internal connector 32a, to the front surface thereof. Therefore, the electronic component 11 mounted on the wiring board 12 having the rear end portion fitted in the internal connector 32a of the opening / closing lid 32 has the socket 13, the contact pattern, and the internal connector.
It will be electrically led out to the front surface of the opening / closing lid 32 via 32a and the external connector 32b.

After that, the opening 31a of the thermostatic chamber main body 31 is attached to the wiring board 12 on which the electronic parts 11 are mounted, and all the internal connectors 32a.
When closed by the opening / closing lid 32 fitted in, the front end portion of the wiring board 12 is fitted in the energizing connector 34 which is a connecting means fixed to the back plate in the constant temperature bath main body 31.

By this fitting, the electronic component 11 becomes the wiring board 12
And a connector 34 for energization to connect to a burn-in power source (not shown). When the operation of the control unit 33 is turned on under such a condition, the control unit 33 supplies an electric current to a heater (not shown) arranged around the constant temperature bath main body 31, and the constant temperature bath main body 31. Heat the inside.

When the temperature of the electronic component 11 housed in the constant temperature bath body 31 reaches a predetermined temperature, the controller 23
Applies (energizes) a predetermined voltage to the electronic component 11 for a predetermined time through a burn-in power source (not shown).

After the energization is completed, the opening / closing lid 32 is removed from the constant temperature bath body 31, and then the wiring board is removed from the opening / closing lid 32.
12 is removed, and electronic components 11
After removing, remove the electronic components by a testing machine (not shown).
The burn-in test of a series of electronic components is completed by judging whether the electrical characteristics of 11 are good or bad.

Reference numeral 35 denotes a guide rail vertically extending in a cantilever shape on the back surface of the opening / closing lid 32. The guide grooves 35a provided in the longitudinal direction of the guide rail 35 are fitted on both upper and lower sides of the wiring board 12. When the wiring board 12 is brought close to the back side of the opening / closing lid 32 as it is, the rear end of the wiring board 12 is fitted into the internal connector 32a as described above.

[0027]

As described above, the present invention makes it possible to provide a burn-in device capable of easily checking the connection state between an electronic component and a burn-in power source from the front side where the electronic component is taken in and out.

[Brief description of drawings]

FIG. 1 is an explanatory view of a burn-in device according to an embodiment of the present invention,

FIG. 2 is an explanatory view of a conventional burn-in device,

[Explanation of symbols]

11 is an electronic component, 11a is a terminal, 12 is a wiring board, 13
Is a socket, 21 and 31 are constant temperature bath main bodies, 21a and 31a are openings, 22 is an opening / closing door, 23 and 33 are control parts, 24 and 34 energizing connectors (connecting means), 25 and 35 are , Guide rail, 25a, 35
a is a guide groove, 32 is an opening / closing lid, and 32a is an internal connector.
(First derivation means) and 32b are external connectors (second derivation means), respectively.

Claims (1)

[Claims] 1. An electronic part (11) is fitted with a front end of a wiring board (12) on an inner surface of a tank facing an opening (31a) for taking in and out the wiring board (12). Parts (11)
A constant temperature bath main body (31) having a connecting means (34) for connecting with the constant temperature bath main body (3) with its back surface facing the connecting means (34).
An opening / closing lid (32) for freely opening and closing the opening (31a) of (1), and heating the temperature in the constant temperature bath main body (31) whose opening (31a) is closed by the opening and closing lid (32). A control unit (33) for controlling the temperature to an arbitrary temperature via means, the electronic component (11) mounted on the wiring board (12) fitted in the connection unit (34), the control unit (33) In the burn-in device including a burn-in power source for controlling an arbitrary voltage to be applied for an arbitrary time, the opening / closing lid (32) has one end portion of the wiring board (12) fitted to the back surface thereof. Second lead-out means (32b) connected to the first lead-out means (32a) on the front side facing the back side and having a first lead-out means (32a) connected to the electronic component (11). ) And a burn-in device.