FIELD: electric engineering, electronics. SUBSTANCE: substrate is made from multiple-layer structure of sheets of fiber material which has basalt and cellulose fibers in ratio of 1-19 to 1. Sheets are treated with polymer binder, joined in packet and pressed. Then they are kept under increased temp and moisture. EFFECT: increased electric insulation characteristics, stable dielectric characteristics. 3 cl, 3 tbl
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COMPOSITION MATERIAL | 1994 |
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METHOD OF MANUFACTURING LAMINATED COMPOSITE | 0 |
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PAPER BASED OF POLYKETONE FIBER, CORE MATERIAL BASED ON POLYKETONE FIBER PAPER FOR CIRCUIT CARDS, AND CIRCUIT CARDS | 2006 |
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Authors
Dates
1997-08-20—Published
1992-07-09—Filed