Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1992-01-30
1993-05-25
Ryan, Patrick J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428402, 428457, 428901, 428206, 4283133, B32B 900
Patent
active
052138780
ABSTRACT:
Machinable ceramic composites having a low dielectric constant. The composite comprises ceramic bubbles uniformly distributed throughout a ceramic matrix. These composites can be used as ceramic substrates and housings in electronic packaging, and as windows transparent to microwave and millimeter wave radiation.
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Boyer, III Charles E.
Hoyle Charles D.
Moh Kyung H.
Griswold Gary L.
Kirn Walter N.
Lee Cathy K.
Minnesota Mining and Manufacturing Company
Ryan Patrick J.
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