Large-to-small shading glue process for FPC (Flexible Printed Circuit) glue slicing
Through Z-type die design and multi-layer film bonding technology, 100% material utilization of FPC adhesive slices and waste recycling of light-shielding adhesive are achieved, solving the problems of material waste and high cost in traditional processes and improving production efficiency and product consistency.
CN120680592APending Publication Date: 2025-09-23SHENZHEN SANBUM OPTOELECTRONICS CO LTD
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Patent Information
- Application Number
- CN202510920470.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-04
- Publication Date
- 2025-09-23
AI Technical Summary
Technical Problem
The traditional FPC adhesive slicing process has high material loss, inconsistent slicing lengths, high production costs, and underutilized waste in the VA area of large products.
Method used
Adopting Z-type die cutting design and multi-layer film laminating technology, 100% material utilization rate is achieved through Z-type slicing equipment, and the waste material in the VA area of large products is used to punch small products to ensure that the slices match the plate and avoid material waste.
Benefits of technology
It significantly reduces material loss and production costs, ensures the accuracy and consistency of slicing, improves production efficiency, and reduces the impact of waste on the environment.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN120680592A_ABST
Abstract
The invention relates to the technical field of FPC (flexible printed circuit) glue slicing, in particular to a large-to-small shading glue process for FPC glue slicing, which comprises the following steps: S1, preparing a to-be-stamped FPC glue material, laminating a transparent PET (polyethylene terephthalate) reticulated film with the width of 15mm on a non-release surface of FPC glue to serve as a bottom-dragging film with the width larger than that of an FPC glue blue film, it is ensured that the slicing knife can cut off the FPC glue blue film on the bottom dragging film; and S2, after the first punching procedure is completed, a transparent PET reticulated film with the width of 80 mm is attached to the surface of the FPC glue again to serve as a second-layer bottom film, the surface of the second-layer bottom film is covered with a protective film, and then the material is rolled. According to the scheme, in the technology of cutting the Z-shaped sheet by the full-page FPC, through the unique Z-shaped cutting die design and punching three pairs of roll material FPC glue for Z-shaped slicing, the 100% material utilization rate is achieved, 32.8% material loss caused by a traditional 1-shaped cutter is completely avoided, meanwhile, the shading glue is used for punching small products by utilizing VA area waste of large products through the large-to-small process, the production efficiency is improved, and the production cost is reduced. And the use amount of main material black glue of small products is saved.
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