Browse Prior Art Database

Array Packaging

IP.com Disclosure Number: IPCOM000073846D
Original Publication Date: 1971-Feb-01
Included in the Prior Art Database: 2005-Feb-23
Document File: 2 page(s) / 37K

Publishing Venue

IBM

Related People

Kay, RC: AUTHOR [+2]

Abstract

An array is packaged by superplastic forming a continuous wall, with holding flanges, about the margins of a pair of spaced parallel plates. As shown at A, a sheet 2 of superplastic material is drawn to a cupshaped form with a recess 3. A pair of plates 4 and 5 maintained in a parallel relation by spacers 6 is inserted into recess 3, as at B. Plate 4 has spigots 7 for the application of vacuum or pressure to the space between plates 4 and 5. The superplastic material is thereupon back formed by applying a vacuum to recess 3, pressure to the external surface of the cup-shaped recess, or a combination of both to bring such material into intimate confining relation about the margins of plates 4 and 5, as at C.

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Array Packaging

An array is packaged by superplastic forming a continuous wall, with holding flanges, about the margins of a pair of spaced parallel plates. As shown at A, a sheet 2 of superplastic material is drawn to a cupshaped form with a recess 3. A pair of plates 4 and 5 maintained in a parallel relation by spacers 6 is inserted into recess 3, as at B. Plate 4 has spigots 7 for the application of vacuum or pressure to the space between plates 4 and 5. The superplastic material is thereupon back formed by applying a vacuum to recess 3, pressure to the external surface of the cup-shaped recess, or a combination of both to bring such material into intimate confining relation about the margins of plates 4 and 5, as at
C. Finally , to form the completed assembly at D the excess material beyond flanges 8 and 9 is trimmed away and spigots 7 sealed off.

Optionally, the chamber formed between plates 4 and 5 could be back filled with special gases or a vacuum could be applied. Also the superplastic sheet 2 could be trimmed along lines 10, at C, to provide an annular mounting flange 11 for the assembly.

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