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Method and system for forming COF fine circuit, COF and processing method thereof

A circuit and fine technology, applied in the directions of printed circuits, printed circuit manufacturing, metal processing equipment, etc., can solve the problems of complex methods and systems, low product yield, environmental pollution, etc., to achieve no environmental pollution, high product yield, Equipment simple effect

Pending Publication Date: 2020-01-10
ANYUANDA SHENZHEN ELECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a method and system for forming a COF fine circuit, COF and its processing method, and solve the problems of complex, large investment, low product yield, and environmental problems in the existing method and system for forming a COF fine circuit. pollution and other issues

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  • Method and system for forming COF fine circuit, COF and processing method thereof
  • Method and system for forming COF fine circuit, COF and processing method thereof
  • Method and system for forming COF fine circuit, COF and processing method thereof

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Embodiment Construction

[0029] It should be noted that, in the case of no conflict, the various embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

[0030] Embodiments of the present invention relate to a system 100 for forming a COF fine circuit ( figure 2 ), including UV laser processing equipment 4 and a feeding device for transporting FCCL substrate 1 to the front of the laser head of the UV laser processing equipment. ~3m / s. The output power of the laser equipment is 1 ~ 20W; the UV laser processing equipment includes a control center; the control center includes a storage space for storing COF circuit diagram data; the laser head is connected to the control center, and the control center controls the laser head to perform 3D Move to engrave the copper foil of FCCL to form COF fine circuit.

[0031] The control cent...

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Abstract

The invention relates to a method and system for forming a COF fine circuit, a COF and a processing method thereof. The system comprises UV laser processing equipment, and laser parameters outputted by a laser head of the UV laser processing equipment are as follows: the size of the spot is 15-40 mum, and the moving speed of the spot is 1-3 m / s. The UV laser processing equipment carries out laserengraving on the FCCL base material conveyed into the equipment, and copper foil of the FCCL base material is directly engraved into a fine circuit. The process and the equipment are simple, and the yield is high.

Description

technical field [0001] The invention relates to the technical field of circuit boards, in particular to a method and system for forming a COF fine circuit, a COF and a processing method thereof. Background technique [0002] The existing COF (Chip On Flex, or, Chip On Film, often called chip on film) flexible circuit board, later called COF, the formation method of its circuit diagram includes: covering the photosensitive layer on the substrate, exposure imaging, development, etching , Remove the photosensitive layer and finally form a circuit diagram, and finally obtain COF after patching and installing chips and electronic components. The method in the prior art has complex process, large investment in equipment and workshop; moreover, the complex process steps lead to low product yield and high scrap rate of circuit boards; chemical etching also leads to pollution problems. In the above-mentioned exposure imaging step, laser equipment is also used for processing, but it ...

Claims

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Application Information

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IPC IPC(8): H05K3/02
CPCH05K3/027H05K2203/107B23K26/073B23K26/0884
Inventor 黎素凡
Owner ANYUANDA SHENZHEN ELECTRONICS CO LTD