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BREAK-AWAY TWO DIMENSIONAL MEMBRANE LAMINATE FOR SEALING THREE DIMENSIONAL SURFACES

IP.com Disclosure Number: IPCOM000006629D
Original Publication Date: 1992-Aug-01
Included in the Prior Art Database: 2002-Jan-17
Document File: 1 page(s) / 56K

Publishing Venue

Motorola

Related People

James Talmage Davis II: AUTHOR [+3]

Abstract

In order to obtain a submersible seal on a noise The laminate consists of a plastic carrier, foam pad, canceling microphone, opposing ports at 90 degrees are urethane membrane, adhesive and peel off backing. These required to be sealed. It has been found that the mem- are all laminated together on a two dimensional plane. brane material properties are necessary for sealing. The The plastic holder has a break away feature, yet the mem- problem is that membrane laminates can only be pro- brane is not broken or severed during the break away cessed on a two dimensional plane; however, a three process. The membrane acts like a hinge that keeps the dimensional sealed surface is required due to the 90 break away feature aligned and allows the feature to fold degree application. This invention allows the laminate at the required 90 degrees. This allows you to accom- to be processed on a two dimensional plane, yet it can plish a three dimensional seal while utilizing one part. accommodate a three dimensional design. (See Figure 1) (See Figure 2) Microphone opening forfmntpon \ Break away feaane 0" plastic pan Feature hinged and ready for assembly Plastic material Membrane material Microphone opening for rear port Adhesiveihfembrane & Foam stack up Figure 1 (Two dimensional Plane allows for membrane lamination process) Figure 2 tJlree dimensional application for assembly) 173

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MOTOROLA INC. Technical Developments Volume 16 August 1992

BREAK-AWAY TWO DIMENSIONAL MEMBRANE LAMINATE FOR SEALING THREE DIMENSIONAL SURFACES

by James Talmage Davis II, Antonio DelSesto and Troy Frandsen

  In order to obtain a submersible seal on a noise The laminate consists of a plastic carrier, foam pad, canceling microphone, opposing ports at 90 degrees are urethane membrane, adhesive and peel off backing. These required to be sealed. It has been found that the mem- are all laminated together on a two dimensional plane. brane material properties are necessary for sealing. The The plastic holder has a break away feature, yet the mem- problem is that membrane laminates can only be pro- brane is not broken or severed during the break away cessed on a two dimensional plane; however, a three process. The membrane acts like a hinge that keeps the dimensional sealed surface is required due to the 90 break away feature aligned and allows the feature to fold degree application. This invention allows the laminate at the required 90 degrees. This allows you to accom- to be processed on a two dimensional plane, yet it can plish a three dimensional seal while utilizing one part. accommodate a three dimensional design. (See Figure 1) (See Figure 2)

Microphone opening forfmntpon \ Break away feaane

0" plastic pan

Feature hinged and ready for assembly

Plastic material

Membrane material

Microphone opening for rear port

Adhesiveihfembrane

& Foam stack up

Figure 1

(Two dimen...