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Reinforcing board and flexible circuit board including the reinforcing board

A technology of flexible circuit boards and reinforcing boards, applied in the direction of circuit substrate materials, printed circuit components, synthetic resin layered products, etc., can solve the problems of increasing the cost of difficult foldable electronic products, achieve good mechanical properties, reduce Product Cost Effects

Inactive Publication Date: 2009-07-15
AVARY HLDG (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the technology for preparing the PI material in the reinforcement sheet 110 is only in the hands of a few manufacturers in the United States and Japan, and the PI market presents a monopoly situation, which increases the difficulty of low-cost production of reinforced FPCB10 and the cost of foldable electronic products

Method used

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  • Reinforcing board and flexible circuit board including the reinforcing board
  • Reinforcing board and flexible circuit board including the reinforcing board
  • Reinforcing board and flexible circuit board including the reinforcing board

Examples

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Embodiment Construction

[0019] The reinforcing plate provided by the embodiment of the technical solution and the reinforced flexible circuit board including the reinforcing plate will be further described in detail below with reference to the drawings and multiple embodiments.

[0020] Since the actual thickness of the reinforcing plate is very thin and has the same structure along the width direction, in order to clearly show the structure of the reinforcing plate, the structure of the reinforcing plate will be described in detail below in conjunction with the enlarged partial section of the reinforcing plate (such as figure 2 , image 3 , Figure 4 and Figure 5 shown). Similarly, the structure of the reinforced flexible circuit board (such as Figure 6 , Figure 7 and Figure 8 shown) for easy understanding.

[0021] see figure 2 , the reinforcement plate 20 provided in the first embodiment of the technical solution is used for attaching to the flexible circuit board to improve the mecha...

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Abstract

The invention provides a reinforcing board which includes at least one polyethylene naphthaline layer. The polyethylene naphthaline layer includes polyethylene material that has general formula A (in Figure). The invention also provides a reinforcing flexible circuit board including the reinforcing board. The reinforcing flexible circuit board reduces producing cost.

Description

technical field [0001] The invention relates to the technical field of flexible circuit boards, in particular to a reinforcing board and a reinforced flexible circuit board comprising the reinforcing board. Background technique [0002] With the continuous development of foldable electronic products such as folding mobile phones and slider mobile phones, flexible printed circuit boards (Flexible Printed Circuit Board, FPCB) with light, thin, short, small and bendable characteristics are widely used in electronic products , to realize the electrical connection between different circuits. In order to obtain FPCB with better flexural properties, improving the flexural properties of base film materials used in FPCB has become a research hotspot. Please refer to the literature Electrical Insulation Maganize, Volume 5, Issue 1, Jan.-Feb., 1989 Papers: 15-23, "Applications of Polyimide Films to the Electrical and Electronic Industries in Japan". [0003] In order to meet the mult...

Claims

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Application Information

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IPC IPC(8): H05K1/03B32B27/12B32B27/28
Inventor 赖永伟郭呈玮刘兴泽
Owner AVARY HLDG (SHENZHEN) CO LTD
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