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Flexible circuit board used for flexible touch sensing field and manufacturing method thereof

A flexible circuit board, tactile sensing technology, applied in chemical/electrolytic methods to remove conductive materials, printed circuits, printed circuits, etc., to achieve the effect of ensuring reliable and effective output

Active Publication Date: 2019-11-08
TACSENSE SHENZHEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the field of flexible tactile sensing applications, due to the high requirements for flexibility and connection output reliability, the use of FPC flexible circuit boards or membrane keyboard flexible circuit boards cannot meet the above requirements.

Method used

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  • Flexible circuit board used for flexible touch sensing field and manufacturing method thereof
  • Flexible circuit board used for flexible touch sensing field and manufacturing method thereof
  • Flexible circuit board used for flexible touch sensing field and manufacturing method thereof

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Embodiment Construction

[0036] Combine figure 1 with figure 2 As shown, the embodiment discloses an FPC flexible board, which mainly includes a flexible substrate 1, a signal sensing area 2 and a signal output connecting portion 3.

[0037] The flexible substrate 1, namely the PI base film, has the characteristics of high temperature resistance, bendable, flexible connection and insertion reliability.

[0038] The signal sensing area 2 is located on the front side of the flexible substrate, and it mainly includes a sensing area body 21, a signal input terminal 22 and a signal output terminal 23. The sensing area body 21 is connected to the signal output connection part 3 through a signal input terminal 22 and a signal output terminal 23 .

[0039] The material of the sensing area body 2 is mainly Ag, which is formed on the signal sensing reserved area on the front of the flexible substrate 1 by printing. The Ag coating is mainly composed of conductive silver powder and resin, which has good flexibility, be...

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PUM

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Abstract

The invention provides an FPC (flexible circuit board) and a manufacturing method thereof. The FPC comprises a flexible substrate, and a signal sensing area and a signal output connecting portion disposed on the flexible substrate; the signal sensing area comprises a sensing area body, a signal input end and a signal output end; the signal output connecting portion comprises a signal output connection port and a conductive connection line, one end of the conductive connection line is connected with the signal output connection port, and the other end of the conductive connection line is in contact with the signal input end and the signal output end of the signal sensing area to form a conductive connection point of Ag and Cu. According to the FPC (flexible circuit board) obtained in the invention, the signal output connecting portion is connected with an external circuit, the reliability is high, the FPC can be reused, the signal sensing area is resistant to bend and has no trace afterbending with no influence on signal collection.

Description

Technical field [0001] The invention belongs to the technical field of FPC flexible circuits, and specifically relates to a flexible circuit board that can be used in the field of flexible tactile sensing and a manufacturing process thereof. Background technique [0002] The flexible circuit board (also called the FPC flexible board) mainly includes a flexible substrate, a signal sensing area and a signal output connection part. The flexible circuit board is usually realized by a chemical etching process, and the signal output connection part is made of Cu, which is resistant to unplugging, and the connection with the external sensor signal recognition circuit is highly reliable and can be used repeatedly; but because the Cu base layer of the FPC flexible circuit board is a 12um sheet Pure copper, flatness cannot be restored after bending, and creases are easily left, which affects the accuracy of signal acquisition. [0003] The membrane keyboard flexible circuit board is a kind ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05K1/02H05K1/09H05K3/06H05K3/12
CPCH05K1/028H05K1/09H05K1/095H05K3/06H05K3/12H05K2201/10151
Inventor 汪晓阳本·巴佐尔
Owner TACSENSE SHENZHEN
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