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Test board and fixing device for the same

A technology for fixing devices and test benches, which can be used in measuring device casings, electronic circuit tests, printed circuit tests, etc., and can solve problems such as scratching the surface of chips and testing needles.

Pending Publication Date: 2018-04-20
深圳深爱半导体股份有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0002] In the traditional test bench, the chip is placed on the chip table for testing, especially when testing for a long time to check the semiconductor device parameters of the chip, the test needle may be skewed or the chip may be scratched due to the unevenness of the test bench or the vibration of the ground surface

Method used

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  • Test board and fixing device for the same
  • Test board and fixing device for the same
  • Test board and fixing device for the same

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Embodiment Construction

[0033] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0034] For an example test bench fixture, see figure 1 , the test bench includes a supporting device for placing a sheet table, and the fixing device includes: a mobile device 10, a vacuum suction device 20, a connecting device 30 and a vacuum tube 40; the vacuum suction device 20 is located on the mobile device 10 Above, the connecting device 30 is mechanically connected with the vacuum adsorption device 20 and the supporting device respectively, and the vacuum tube 40 is mechanically connected with the vacuum adsorption device 20, and is used to make the vacuum adsorption The device 20 sucks the...

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Abstract

The invention proposes a test board and a fixing device for the same. The test board includes a bearing device used for placing a chip presenting table, and the fixing device includes a movable device, a vacuum adsorption device arranged on the movable device, a connecting device mechanically connected with the vacuum adsorption device and bearing device, and a vacuum tube mechanically connected with the vacuum adsorption device and used for, when the vacuum tube is connected with an external vacuum source, enabling the vacuum adsorption device to adsorb the movable device to fix the bearing device, and when the vacuum tube is disconnected with the external vacuum source and connected with the atmosphere, enabling the vacuum adsorption device to be separated from the movable device so as not to limit the bearing device to move.

Description

technical field [0001] The invention relates to the technical field of test benches, in particular to a test bench and its fixing device. Background technique [0002] In the traditional test bench, the chip is placed on the chip table for testing, especially when testing for a long time to check the semiconductor device parameters of the chip, the test needle may be skewed or the chip may be scratched due to the unevenness of the test bench or the vibration of the ground surface. Contents of the invention [0003] Based on this, it is necessary to provide a fixing device for a test bench. [0004] A kind of fixing device of test stand, described test stand comprises the supporting device that is used to place the sheet-forming platform, and described fixing device comprises: [0005] mobile device; [0006] A vacuum adsorption device is arranged on the mobile device; [0007] a connecting device, which is mechanically connected to the vacuum adsorption device and the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/28G01R1/04
CPCG01R1/04G01R31/2808
Inventor 余廷义
Owner 深圳深爱半导体股份有限公司
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