WO2010007652A1 - テストヘッド移動装置及び電子部品試験装置 - Google Patents
テストヘッド移動装置及び電子部品試験装置 Download PDFInfo
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- WO2010007652A1 WO2010007652A1 PCT/JP2008/062670 JP2008062670W WO2010007652A1 WO 2010007652 A1 WO2010007652 A1 WO 2010007652A1 JP 2008062670 W JP2008062670 W JP 2008062670W WO 2010007652 A1 WO2010007652 A1 WO 2010007652A1
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- test head
- moving device
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- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2886—Features relating to contacting the IC under test, e.g. probe heads; chucks
- G01R31/2887—Features relating to contacting the IC under test, e.g. probe heads; chucks involving moving the probe head or the IC under test; docking stations
Definitions
- the present invention relates to an electronic component test apparatus for testing an electronic component (hereinafter, also referred to as an IC device) such as a semiconductor integrated circuit element, and moves the test head to connect the test head to a handler.
- the present invention relates to a test head moving device and an electronic component testing device including the test head moving device.
- An electronic component test apparatus for testing a packaged IC device includes a test head that is electrically connected to the IC device, a tester that exchanges test signals with the IC device via the test head, A handler (electronic component handling device) that presses the IC device against the test head is provided.
- the handler is provided with a chamber for applying high or low temperature heat stress to the IC device.
- An opening is formed in the bottom surface of the chamber.
- the test head is connected to the handler by inserting the upper part of the test head into the opening.
- a test head moving device capable of handling the test head is used for connecting the test heads.
- the test head is horizontally moved below the handler opening by the test head moving device.
- the test head is raised by the test head moving device, and the upper portion of the test head is inserted into the opening of the handler.
- test head moving device if the test head moving device is moved horizontally toward the handler while the test head is held at a high position, the test head and the handler interfere with each other and the test head and the handler are damaged. There was a problem of fear.
- the problem to be solved by the present invention is to provide a test head moving device capable of preventing the test head and the electronic component handling device from being damaged, and an electronic component testing apparatus including the test head moving device.
- test head moving device for moving the test head in order to connect the test head to the electronic component handling device in the electronic component testing apparatus, the lifting means for moving the test head up and down, and the test
- a test head moving device comprising: horizontal moving means for moving the head in a horizontal direction; and prohibiting means for prohibiting horizontal movement of the horizontal moving means based on the height of the test head. 1).
- the prohibiting means includes a detecting means for detecting that the test head is located at a predetermined height, and that the test head is located at the predetermined height.
- the detection means detects, the horizontal movement of the horizontal movement means is permitted or prohibited, and when the detection means does not detect that the test head is located at the predetermined height, the horizontal movement means It is preferable to have a stopper that prohibits or allows horizontal movement (see claim 2).
- the predetermined height is the lowest limit of the range in which the test head can be raised and lowered by the lifting means, and the stopper indicates that the test head is located at the lowest limit.
- the horizontal moving means detects, the horizontal moving means is allowed to move horizontally, and when the detecting means does not detect that the test head is located at the lowest limit, the horizontal moving means is prohibited from moving horizontally. It is preferable to do so (see claim 3).
- the prohibiting means includes a contact member that makes contact with a floor surface, a moving device that makes the contact member approach or separate from the floor surface, and the contact member and the movement device. And a first urging means for urging the contact member toward the floor surface (refer to claim 4).
- the moving means includes a rod to which the abutting member is attached via the first urging means, and a fluid pressure cylinder for moving the rod.
- the fluid pressure cylinder is preferably a cylinder with a lock function capable of fixing the rod as the supply of the pressure fluid is stopped (refer to claim 5).
- the fluid pressure cylinder has a second urging means for urging a piston connected to one end of the rod toward the floor surface.
- an electronic component testing apparatus for testing an electronic device under test, which is held by the test head moving device and the test head moving device.
- an electronic component testing apparatus including a test head and a tester electrically connected to the test head (see claim 7).
- horizontal movement by the horizontal movement means is prohibited according to the height of the test head. For this reason, it is possible to avoid interference between the test head and the electronic component handling device, and to prevent damage to the test head and the electronic component handling device.
- FIG. 1 is a schematic side view showing an electronic component testing apparatus according to an embodiment of the present invention.
- FIG. 2 is a plan view showing the test head moving device in the embodiment of the present invention.
- FIG. 3 is a side view showing the test head moving device according to the embodiment of the present invention.
- FIG. 4 is an air piping diagram showing the overall configuration of the interlock mechanism in the embodiment of the present invention.
- FIG. 5 is an exploded perspective view of the stopper in the embodiment of the present invention.
- FIG. 6A is a side view of the stopper when the test head is located at an arbitrary height.
- FIG. 6B is a side view of the stopper when the test head is located at the lowest limit.
- FIG. 6C is a side view of the stopper when the air supply is stopped.
- FIG. 1 is a schematic side view showing an electronic component testing apparatus according to the present embodiment.
- the electronic component test apparatus includes a test head 100 that is electrically connected to an IC device and a tester that exchanges test signals between the IC device via the test head 100.
- (Main frame) 200 a handler 300 that presses the IC device against the test head 100, and a test head moving device 10 that connects the test head 100 to the handler 300.
- the test head 100 and the tester 200 are electrically connected via a cable 210.
- a socket 150 that is in electrical contact with the IC device is mounted on the top of the test head 100.
- the handler 300 is formed with an opening 310 for inserting the upper part of the test head 100 into the chamber.
- the test head 100 is connected to the handler 300 using the test head moving device 10.
- the test head 100 is horizontally moved by the test head moving device 10, and the test head 100 is positioned below the opening 310 of the handler 300.
- the test head 100 is raised by the test head moving device 10 and the upper part of the test head 100 is inserted into the opening 310.
- test head moving device 10 in this embodiment will be described.
- FIG. 2 and 3 are a plan view and a side view showing the test head moving device in the present embodiment
- FIG. 4 is an air piping diagram showing the overall structure of the interlock mechanism in the present embodiment
- FIG. 5 is a diagram of the stopper in the present embodiment. It is a disassembled perspective view.
- the test head moving device 10 in the present embodiment is a device that can move the test head 100 in the horizontal direction and the vertical direction in order to connect the test head 100 to the handler 300 as described above.
- the test head moving device 10 includes a frame 11 that can move horizontally, and two lifting arms 15 that are held by the frame 11 so as to be movable up and down.
- the frame 11 includes two base members 12 arranged in parallel along the X-axis direction, and an upright member 13 standing upright between the base members 11.
- the casters 121 are attached to the front and rear ends of each base member 12, respectively.
- the caster 121 allows the frame 11 to move horizontally (moves in a direction parallel to the XY plane).
- a linear guide may be installed on the floor, and the frame 11 may be horizontally moved by the linear guide.
- the upright members 13 are fixed in the vicinity of the rear ends of the respective base members 11 using bolts or the like.
- linear guides 131 are provided along the Z-axis direction for holding the elevating arm 15 so that it can be raised and lowered.
- two operation handles 132 and 133 are provided on the back surface of the upright member 13.
- the operator can raise or lower the elevating arm 15 by rotating the first operation handle 132 through a gear mechanism (not shown).
- the tilt of the test head 100 can be adjusted via a chain mechanism (not shown).
- two handles 134 used when the operator horizontally moves the test head moving device 10 are also provided.
- the two lifting arms 15 extend in parallel along the X-axis direction and are disposed above the base member 12.
- a test head 100 is disposed between the tips of the lift arms 15, and the lift arm 15 and the test head 100 are fixed using bolts or the like.
- the rear end of the lifting arm 15 is held by the linear guide 131 of the upright member 13 so as to be lifted and lowered. Thereby, the test head moving device 10 can move the test head 100 up and down.
- a gas spring 16 is provided between the base member 12 and the lifting arm 15. The gas spring 16 assists the raising operation of the lifting arm 15.
- test head moving device 10 includes an interlock mechanism 20 that prevents interference between the test head 100 and the handler 300 during connection work.
- the interlock mechanism 20 includes an air supply source 21, a regulator 22, a limit switch 23, a switching valve 24, pipes 25 and 26, and four stoppers 30.
- the air supply source 21 is composed of, for example, an air compressor.
- the regulator 22 can adjust the pressure of the air supplied from the air supply source 21.
- the air supply source 21 is connected to a main pipe 25 for driving the stopper 30 and a sub pipe 26 for controlling the switching valve 24.
- the limit switch 23 is a switch for detecting that the test head 100 is located at the lowest limit.
- the limit switch 23 is provided on a side surface of the upright member 13, and when the lifting arm 15 lowers the test head 100 to the lowest limit, a part of the lifting arm 15 is provided. Is installed at a height that contacts the limit switch 23.
- the limit switch 23 is connected to the sub pipe 26 as shown in FIG.
- the valve When the limit switch 23 is off (when the test head 100 is located at an arbitrary height other than the lowest limit), the valve is closed and the sub-pipe 26 is closed.
- the limit switch 23 when the limit switch 23 is on (when the test head 100 is positioned at the lowest limit), the valve is opened and pressurized air is supplied to the switching valve 24 via the sub pipe 26.
- the switching valve 24 is switched by the supply of the pressurized air.
- the switching valve 24 is connected to the main pipe 25, and is added between the first port 42 or the second port 43 of the air cylinder 40 of each stopper 30 according to the ON / OFF of the limit switch 23. It is possible to switch the supply destination of pressurized air. By this switching operation, the air cylinder 40 of the stopper 30 moves up and down.
- the stopper 30 includes a mounting plate 31, a holder 32, an air cylinder 40, a guide unit 33, and a pressing unit 50, as shown in FIG.
- the air cylinder 40 in the present embodiment is a cylinder with a spring having a spring 42 that urges the piston 41 downward, as shown in FIG.
- the air cylinder 40 is an air cylinder with a lock mechanism capable of fixing (holding) the rod 43 with the stop of air supply. For this reason, the air cylinder 40 in this embodiment can forcibly lower the rod 43 by the spring 42 even when the air supply is stopped, and can lock the rod 43 in the lowered state. It is possible to prevent inadvertent movement of the test head moving device 10 at the time.
- the air cylinder 40 includes two ports 44 and 45 as shown in FIGS.
- the rod 43 descends.
- the rod 43 rises.
- the air cylinder 40 is fixed to the mounting plate 31 via two holders 32 as shown in FIG.
- the mounting plate 31 is fixed to the base member 12 of the frame 11 as will be described later.
- the rod 43 of the air cylinder 40 passes through the guide unit 33, and a pressing unit 50 is attached to the tip thereof. When the air cylinder 40 is driven, the rod 43 is smoothly guided by the bearing of the guide unit 33.
- the pressing unit 50 includes a base plate 51, a spring 52, a contact plate 53, bolts 54, and a cushion 55.
- the base plate 51 is composed of a disk-shaped member in this embodiment, and the tip of the rod 43 of the air cylinder 40 is fixed at the center of the upper surface thereof.
- the base plate 51 is formed with three through holes 51a for allowing the bolts 54 to pass therethrough. These three through holes 51a are arranged at substantially equal intervals.
- the contact plate 53 is formed of a disk-shaped member in this embodiment.
- the contact plate 53 is formed with three screw holes 53a into which the bolts 54 can be screwed. These three screw holes 53a are opposed to the through holes 51a of the base plate 51, respectively.
- a cushion 55 is attached to the lower surface of the contact plate 53.
- the cushion 55 is made of a deformable and non-slipable material such as rubber so that the contact member 50 is in close contact with the floor surface.
- Each spring 52 has an urging force in a direction in which the base plate 51 and the contact plate 53 are separated from each other, and is arranged coaxially with the bolt 54.
- planar shape of the plates 51 and 53 is not limited to a circle, and may be a rectangle, for example.
- the number of springs 52 is not particularly limited, and can be set as appropriate according to the required elastic force.
- the four stoppers 30 described above are provided in the vicinity of the front and rear ends of the two base members 12, as shown in FIGS.
- the interlock mechanism 20 When the interlock mechanism 20 is operating, since the pressing unit 50 of the stopper 30 is in contact with the floor surface, the horizontal movement of the test head moving device 10 is prohibited. On the other hand, when the interlock mechanism 20 is released, the pressing unit 50 of the stopper 30 moves away from the floor surface, and the test head moving device 10 can be moved horizontally.
- FIG. 6A is a side view of the stopper when the test head is located at an arbitrary height other than the lowest limit
- FIG. 6B is a side view of the stopper when the test head is located at the lowest limit
- FIG. It is a side view of the stopper at the time of supply stop.
- test head moving apparatus 10 Accordingly, the operation of the test head moving apparatus 10 according to the present embodiment will be described with reference to FIGS. 6A to 6C.
- the limit switch 23 When the test head 100 is connected, when the test head 100 is located at an arbitrary height other than the lowest limit, the limit switch 23 is turned off. Therefore, the pressurized air supplied from the air supply source 21 is guided to the first port 44 of the air cylinder 40 by the switching valve 24. As a result, the air cylinder 40 pushes down the pressing unit 50, and as shown in FIG. 6A, the pressing unit 50 comes into close contact with the floor surface FP and the horizontal movement of the test head moving device 10 is prohibited. For this reason, in this embodiment, interference with the test head 100 and the handler 300 at the time of a connection operation
- the pressure of the pressurized air is set to be low (for example, about 0.5 MPa) by the regulator 22, and the air cylinder 40 outputs only a pressing force that is weak enough to contract the spring 52 of the pressing unit 50. Not done. For this reason, even if the stopper 30 presses the pressing unit against the floor surface FP, it is possible to maintain the level of the test head 100 with respect to the handler 300 set with high accuracy.
- the elevating arm 15 When the operator operates the first operation handle 132, the elevating arm 15 is lowered, and when the test head 100 is positioned at the lowest limit, the limit switch 23 is turned on. Thereby, the pressurized air is guided to the second port 45 of the air cylinder 40 via the switching valve 24, and the air cylinder 40 pushes up the pressing unit 50. For this reason, as shown in FIG. 6B, the pressing unit 50 is separated from the floor surface FP, and the horizontal movement of the test head moving device 10 becomes possible.
- the operator horizontally moves the test head moving device 10 using the handle 134 so that the test head 100 is positioned below the opening 310 of the handler 300.
- the operator raises the lifting arm 15 using the first operation handle 132 and inserts the upper part of the test head 100 into the opening 310 of the handler 300.
- the test head 100 is connected to the handler 300 by the series of operations described above.
- the spring 52 in the pressing unit 50, the spring 52 is interposed between the two plates 51 and 53, and the spring 52 urges the contact plate 51 downward. Therefore, as shown in FIG. 6C, even if the lock mechanism of the air cylinder 40 has a backlash BL, the backlash BL can be absorbed by the pressing unit 50, and the test head moving device Ten horizontal movements can be reliably prohibited.
- the interlock mechanism is released when the test head is located at the lowest limit, but the present invention is not particularly limited thereto.
- the interlock mechanism may be operated when the position of the test head is higher than a predetermined height.
- the height of the test head held by the lifting arm may be measured, and the interlock mechanism may be activated or released when the measured value is within a predetermined range.
- the interlock mechanism is driven using air pressure.
- the interlock mechanism may be driven using other fluid pressure such as hydraulic pressure.
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
Abstract
Description
11…フレーム
15…昇降アーム
20…インタロック機構
23…リミットスイッチ
24…切換バルブ
30…ストッパ
40…エアシリンダ
41…ピストン
42…スプリング
43…ロッド
44,45…ポート
50…押付ユニット
51…ベースプレート
52…スプリング
53…当接プレート
54…ボルト
100…テストヘッド
300…ハンドラ
310…開口
BL…バックラッシュ
Claims (7)
- 電子部品試験装置においてテストヘッドを電子部品ハンドリング装置に連結するために、前記テストヘッドを移動させるテストヘッド移動装置であって、
前記テストヘッドを昇降させる昇降手段と、
前記テストヘッドを水平方向に移動させる水平移動手段と、
前記テストヘッドの高さに基づいて、前記水平移動手段の水平移動を禁止する禁止手段と、を備えたテストヘッド移動装置。 - 前記禁止手段は、
前記テストヘッドが所定高さに位置していることを検出する検出手段と、
前記テストヘッドが前記所定高さに位置していることを前記検出手段が検出した場合に、前記水平移動手段の水平移動を許容又は禁止し、前記テストヘッドが前記所定高さに位置していることを前記検出手段が検出しない場合に、前記水平移動手段の水平移動を禁止又は許容するストッパと、を有する請求項1記載のテストヘッド移動装置。 - 前記所定高さは、前記昇降手段による前記テストヘッドの昇降可能範囲の最下限であり、
前記ストッパは、前記テストヘッドが最下限に位置していることを前記検出手段が検出した場合に、前記水平移動手段の水平移動を許容し、前記テストヘッドが最下限に位置していることを前記検出手段が検出しない場合に、前記水平移動手段の水平移動を禁止する請求項2記載のテストヘッド移動装置。 - 前記禁止手段は、
床面の当接する当接部材と、
前記当接部材を前記床面に対して接近又は離反させる移動手段と、
前記当接部材と前記移動手段との間に介在し、前記当接部材を前記床面に向かって付勢する第1の付勢手段と、を有する請求項1~3の何れかに記載のテストヘッド移動装置。 - 前記移動手段は、
前記第1の付勢手段を介して前記当接部材が取り付けられたロッドと、
前記ロッドを移動させる流体圧シリンダと、を有しており、
前記流体圧シリンダは、圧力流体の供給の停止に伴って前記ロッドを固定することが可能なロック機能付きシリンダである請求項1~4の何れかに記載のテストヘッド移動装置。 - 前記流体圧シリンダは、前記ロッドの一端に接続されたピストンを前記床面に向かって付勢する第2の付勢手段を有する請求項5記載のテストヘッド移動装置。
- 被試験電子部品のテストを行うための電子部品試験装置であって、
請求項1~6の何れかに記載のテストヘッド移動装置と、
前記テストヘッド移動装置に保持されたテストヘッドと、
前記テストヘッドに電気的に接続されたテスタと、を備えた電子部品試験装置。
Priority Applications (5)
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JP2010520691A JP5226072B2 (ja) | 2008-07-14 | 2008-07-14 | テストヘッド移動装置及び電子部品試験装置 |
US13/003,953 US8704543B2 (en) | 2008-07-14 | 2008-07-14 | Test head moving apparatus and electronic component testing apparatus |
PCT/JP2008/062670 WO2010007652A1 (ja) | 2008-07-14 | 2008-07-14 | テストヘッド移動装置及び電子部品試験装置 |
CN200880129912.1A CN102066962B (zh) | 2008-07-14 | 2008-07-14 | 测试头移动装置及电子元件测试装置 |
TW098121110A TWI393891B (zh) | 2008-07-14 | 2009-06-24 | Test head moving device and electronic component testing device |
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PCT/JP2008/062670 WO2010007652A1 (ja) | 2008-07-14 | 2008-07-14 | テストヘッド移動装置及び電子部品試験装置 |
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JP (1) | JP5226072B2 (ja) |
CN (1) | CN102066962B (ja) |
TW (1) | TWI393891B (ja) |
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KR101838109B1 (ko) * | 2011-12-06 | 2018-03-14 | 삼성전자주식회사 | 컨택터 및 이를 포함하는 반도체 테스트 장치 |
JP6267928B2 (ja) * | 2013-10-29 | 2018-01-24 | 東京エレクトロン株式会社 | ウエハ検査装置の整備用台車及びウエハ検査装置の整備方法 |
CN107003351B (zh) * | 2017-02-21 | 2020-02-11 | 深圳市汇顶科技股份有限公司 | 用于测试指纹芯片的装置和方法 |
US20230358803A1 (en) * | 2022-05-06 | 2023-11-09 | Nanya Technology Corporation | Probing device and inspection method using the same |
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MY135707A (en) | 2003-03-31 | 2008-06-30 | Intest Corp | Test head positioning system and method |
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- 2008-07-14 JP JP2010520691A patent/JP5226072B2/ja active Active
- 2008-07-14 US US13/003,953 patent/US8704543B2/en active Active
- 2008-07-14 WO PCT/JP2008/062670 patent/WO2010007652A1/ja active Application Filing
- 2008-07-14 CN CN200880129912.1A patent/CN102066962B/zh active Active
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JP2003098224A (ja) * | 2001-09-25 | 2003-04-03 | Santo Technology Kk | 半導体試験装置 |
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TW201015074A (en) | 2010-04-16 |
JPWO2010007652A1 (ja) | 2012-01-05 |
TWI393891B (zh) | 2013-04-21 |
US20110156733A1 (en) | 2011-06-30 |
JP5226072B2 (ja) | 2013-07-03 |
CN102066962A (zh) | 2011-05-18 |
US8704543B2 (en) | 2014-04-22 |
CN102066962B (zh) | 2013-09-11 |
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