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Double-sided two-dimensional coding, manufacturing method thereof, and flexible printed circuit

專利號
US11044805B1
公開日期
2021-06-22
申請人
TRIPLE WIN TECHNOLOGY(SHENZHEN) CO.LTD.（CN Shenzhen）
發(fā)明人
Hao-Yang Xiao
IPC分類
H05K1/02; H05K3/30; H05K3/28; H05K3/46
技術領域
coding,layer,sided,laser,two,metal,image,area,marking,double
地域： Shenzhen

摘要

The present disclosure provides a double-sided two-dimensional coding, includes a transparent medium layer on which a metal layer is plated, and a two-dimensional coding image is fused through the metal layer. The present disclosure also provides a flexible printed circuit and manufacturing method for a double-sided two-dimensional coding. By lasering the metal layer corresponding to the transparent medium layer, the metal layer is fused through to form a two-dimensional coding image, and the transparent medium layer is retained as a carrier of the two-dimensional coding image, and an effect of reading the two-dimensional coding on both sides can be achieved.

說明書

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CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims priority of Chinese Patent Application No. 202010227707.1, filed on Mar. 27, 2020 in the China National Intellectual Property Administration (CNIPA), the entire contents of which are incorporated by reference herein.

FIELD

The embodiments of the present disclosure relate to a technical field of flexible printed circuits, specifically a double-sided two-dimensional coding, a manufacturing method thereof, and a flexible printed circuit.

BACKGROUND

In the production process of products in the electronics industry, products need to be marked for easy tracking. The usual practice is to affix a two-dimensional coding on a flexible printed circuit (FPC) to differentiate products.

In the prior art, whether the two-dimensional coding is printed by ink or printed by laser, there is a common problem that the two-dimensional coding can only be formed on one side of the FPC board. When scanning a two-dimensional coding on the front and back sides of circuits at different stations, the machine needs to be changed, wasting man hours and affecting work efficiency.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of a double-sided two-dimensional coding of an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of a flexible printed circuit of a first embodiment of the present disclosure;

權利要求

1
I claim:1. A flexible printed circuit, comprising:a substrate;a wiring area provided on the substrate;a two-dimensional coding printing area provided on the substrate;a plurality of cable wires laid on the wiring area, at least one of the plurality of cable wires forms a bent portion on the wiring area;the two-dimensional coding printing area comprises a transparent medium layer on which a metal layer is plated, and a two-dimensional coding image is fused through the metal layer, wherein the two-dimensional coding printing area comprises a blank area on the wiring area where the bent portion is located.2. The flexible printed circuit of claim 1, wherein the two-dimensional coding printing area comprises an area extending outward from one side of the wiring area on the substrate.3. The flexible printed circuit of claim 1, wherein the plurality of cable wires together presents a flat surface.4. The flexible printed circuit of claim 1, wherein the metal layer covered a protective layer.5. The flexible printed circuit of claim 4, wherein the protective layer is a frosted surface.6. The flexible printed circuit of claim 4, wherein the metal layer defines a laser marking area, and the two-dimensional coding image is laser fused through the metal layer where the laser marking area is located.7. The flexible printed circuit of claim 6, wherein the substrate defines an optical element.8. The flexible printed circuit of claim 6, wherein the substrate defines a connecting element.9. A double-sided two-dimensional coding, comprising:a transparent medium layer on which a metal layer is plated;a two-dimensional coding image is fused through the metal layer;a protective layer covering the metal layer, wherein the protective layer is a frosted surface.10. A manufacturing method for a double-sided two-dimensional coding as claimed in claim 9, comprising:preparing a substrate of transparent medium;electroplating a metal layer on the substrate of the transparent medium;setting information and coding principles of a two-dimensional coding image in a laser device;performing laser irradiation on the metal layer according to the information and coding principles by the laser device to melt the metal layer to form a double-sided two-dimensional coding image on the metal layer which is visible from both sides;applying a protective layer to the metal layer, wherein the protective layer is a frosted surface.11. The manufacturing method for a double-sided two-dimensional coding of claim 10, further comprising:setting a laser marking area on the metal layer, and irradiating the metal layer corresponding to the laser marking area with the laser device until the metal layer is melted through, to imprint a double-sided two-dimensional coding image on the metal layer which is visible from both sides.
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