Browse Prior Art Database

PCB with interlocking design

IP.com Disclosure Number: IPCOM000201650D
Original Publication Date: 2010-Nov-17
Included in the Prior Art Database: 2010-Nov-17
Document File: 2 page(s) / 211K

Publishing Venue

Siemens

Related People

Juergen Carstens: CONTACT

Abstract

Modern hearing aids comprise different Printed Circuit Board (PCB) designs, among them are often so-called flex PCB parts. These flexible PCB parts need to be positioned within the hearing aid. The conventional method in state of the art hearing aids is to hold the flex PCB strips in place by adhesives such as double-sided tape or glue. The physical protection of sensitive components is nowadays achieved by encapsulating these components completely. However, the process of encapsulating components is time consuming as it invokes baking and curing of the encapsulation material. These additional baking and curing processes involve high temperatures which often result in the damage of sensitive components on the PCB.

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PCB with interlocking design

Idea: Ju Lin Teo, SG-Singapore; Mo Choong Marie Chan, SG-Singapore; Leep Foong Chew, SG- re often

ring aid. The

place by adhesives

  lating these
ime consuming as it

and curing
e components on the

es additional struction

, to easily secure m or adhesives.

                                                    d frame designs to o additional ore, a physical rd when the PCB is in its folded geometry. The proposed construction of a flexible PCB can be advantageously used as a cheap, fast and safe alternative method of protecting components. Very high temperatures which can potentially damage sensitive components on the board, as it is the case with the encapsulation processes used nowadays, are avoided. While the proposed folded PCB with an inter-locking mechanism can be rtened as no additional time for encapsulation coating and curing of the coating material is necessary.

Figure 1: Exemplary geometry of the proposed design for an interlocking flexible PCB

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