A self-positioning resistance repair fixture

A self-positioning and resistance repairing technology, which is applied in the direction of resistors, resistor manufacturing, instruments, etc., can solve the problems of path deviation, high product scrap rate, and large positioning error

Active Publication Date: 2021-01-19
广德方晟科技有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the present invention provides a self-positioning and repairing jig, which has the advantages that when one side of the chip is adjusted, the other side can automatically adjust its position according to the change, etc., which solves the problem of product positioning during repositioning. If the error is too large, path deviation will occur during laser repair, resulting in a high product scrap rate

Method used

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  • A self-positioning resistance repair fixture
  • A self-positioning resistance repair fixture

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Embodiment Construction

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0018] see Figure 1-2 , this embodiment provides a self-positioning resistance repair jig.

[0019] When in use, the chip that needs to be repaired retrogradely is placed inside the area surrounded by the limiting column 8 and the second rotating shaft 12. After the chip is placed, after the first correction, when the chip is repositioned, pass After sliding the first fixed block 6 or the second fixed block 7 to support the chip, at this time, as the first fixed block 6 or the second fixed block 7 transmits the force to the second rotating shaft 12 through the chip when pushing the chip, the second The second rotating shaft 12 moves under the condition of being stressed, and the first moving block 4 or the second moving block 5 is driven to move on the slide bar 3 by the sec...

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Abstract

The invention relates to the technical field of laser resistance repairing, and discloses a self-positioning resistance repairing jig. The self-positioning resistance repairing jig includes a main board, a limiting block is movably installed inside the main board through a rotating shaft, and slide bars are fixedly installed on both sides of the limiting block. The self-positioning resistance repair jig contacts the limit block through the rectangular groove inside the first moving block, so that the limit block rotates, and simultaneously limits the first moving block and the second moving block through the right-angle groove. bit fixed. Similarly, with the movement of the second moving block, the right-angled side of the limiting block is gradually aligned with the second moving block, and at the same time, the other end of the limiting block is aligned with the first moving block to clamp the chip. By adjusting any side The position of the second rotating shaft, through the rotation of the limit block, automatically adjusts the position of the other moving block to achieve automatic positioning, avoiding excessive positioning errors when the product is repositioned, so that path deviation will occur during laser repair , causing the product scrap rate to be too high.

Description

technical field [0001] The invention relates to the technical field of laser resistance repairing, in particular to a self-positioning resistance repairing jig. Background technique [0002] Laser resistance repair is to position a beam of focused coherent light on the workpiece under the control of a microcomputer, so that the film layer of the workpiece to be adjusted is gasified and removed to achieve the specified parameters or resistance value. When the resistance is adjusted, the local temperature rise makes the glass melt, and the edge of the gasification part of the resistance value groove is covered by glass, which can fill up the cut medium on the surface of the substrate. [0003] When repairing the ceramic chip of the oil level sensor, since the maximum width of the ceramic chip of the oil level sensor is only 0.16m in width, and the minimum spot diameter of the current laser resistance repairing machine is only 0.08mm in diameter, the relative gap margin after r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F23/00H01C17/242
Inventor 杨然非
Owner 广德方晟科技有限公司
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