Assignee
SHELDAHL INC
47 granted patents·3,344 citations·filing 1975–2001
Top patents by PatentIndex Score
47 records- 0195US6384339B1Printed circuit board assembly having adhesive jointSHELDAHL INC·Filed 2001·Granted May 7, 2002·95 cites·14 claims
- 0295US5428190ARigid-flex board with anisotropic interconnect and method of manufactureSHELDAHL INC·Filed 1993·Granted Jun 27, 1995·274 cites·20 claims
- 0394US4258096AComposite top membrane for flat panel switch arraysSHELDAHL INC·Filed 1978·Granted Mar 24, 1981·180 cites·8 claims
- 0493US5719749APrinted circuit assembly with fine pitch flexible printed circuit overlay mounted to printed circuit boardSHELDAHL INC·Filed 1994·Granted Feb 17, 1998·180 cites·31 claims
- 0592US5502889AMethod for electrically and mechanically connecting at least two conductive layersSHELDAHL INC·Filed 1993·Granted Apr 2, 1996·175 cites·32 claims
- 0692US5004639ARigid flex printed circuit configurationSHELDAHL INC·Filed 1990·Granted Apr 2, 1991·134 cites·20 claims
- 0792US4127752ATactile touch switch panelSHELDAHL INC·Filed 1977·Granted Nov 28, 1978·283 cites·7 claims
- 0891US5527998AFlexible multilayer printed circuit boards and methods of manufactureSHELDAHL INC·Filed 1993·Granted Jun 18, 1996·143 cites·56 claims
- 0991US5261593ADirect application of unpackaged integrated circuit to flexible printed circuitSHELDAHL INC·Filed 1992·Granted Nov 16, 1993·184 cites·25 claims
- 1090US5615477AMethod for interconnecting a flip chip to a printed circuit substrateSHELDAHL INC·Filed 1996·Granted Apr 1, 1997·241 cites·31 claims
- 1190US4215516AUnidirectional tapeSHELDAHL INC·Filed 1979·Granted Aug 5, 1980·101 cites·1 claims
- 1289US5112462AMethod of making metal-film laminate resistant to delaminationSHELDAHL INC·Filed 1990·Granted May 12, 1992·63 cites·30 claims
- 1388US5800650AFlexible multilayer printed circuit boards and methods of manufactureSHELDAHL INC·Filed 1995·Granted Sep 1, 1998·112 cites·22 claims
- 1488US5688584AMultilayer electronic circuit having a conductive adhesiveSHELDAHL INC·Filed 1995·Granted Nov 18, 1997·114 cites·18 claims
- 1587US4375018AMembrane switch having adhesive label as edge sealSHELDAHL INC·Filed 1980·Granted Feb 22, 1983·59 cites·4 claims
- 1687US4022184ALateral lens arrangement for solar energy conversion devicesSHELDAHL INC·Filed 1975·Granted May 10, 1977·56 cites·20 claims
- 1786US5727310AMethod of manufacturing a multilayer electronic circuitSHELDAHL INC·Filed 1996·Granted Mar 17, 1998·77 cites·28 claims
- 1884US4489227ABack lighted, full travel push button membrane keyboardSHELDAHL INC·Filed 1984·Granted Dec 18, 1984·58 cites·12 claims
- 1984US4127758ATactile layer having hinged domeSHELDAHL INC·Filed 1977·Granted Nov 28, 1978·30 cites·5 claims
- 2083US4127740ARouting arrangement for ground conductors in printed circuit structuresSHELDAHL INC·Filed 1977·Granted Nov 28, 1978·26 cites·5 claims
- 2182US5766740AAdherent film with low thermal impedance and high electrical impedance used in an electronic assembly with a heat sinkSHELDAHL INC·Filed 1996·Granted Jun 16, 1998·69 cites·47 claims
- 2280US6226862B1Method for manufacturing printed circuit board assemblySHELDAHL INC·Filed 1998·Granted May 8, 2001·42 cites·8 claims
- 2380US5349500ADirect application of unpackaged integrated circuit to flexible printed circuitSHELDAHL INC·Filed 1993·Granted Sep 20, 1994·68 cites·7 claims
- 2480US5137791AMetal-film laminate resistant to delaminationSHELDAHL INC·Filed 1991·Granted Aug 11, 1992·37 cites·29 claims
- 2579US6104100ACharge transfer load sensorSHELDAHL INC·Filed 1998·Granted Aug 15, 2000·49 cites·23 claims
- 2678US5840402AMetallized laminate material having ordered distribution of conductive through holesSHELDAHL INC·Filed 1994·Granted Nov 24, 1998·49 cites·27 claims
- 2776US5262590AImpedance controlled flexible circuits with fold-over shieldsSHELDAHL INC·Filed 1992·Granted Nov 16, 1993·68 cites·10 claims
- 2872US5930117AHeat sink structure comprising a microarray of thermal metal heat channels or vias in a polymeric or film layerSHELDAHL INC·Filed 1996·Granted Jul 27, 1999·41 cites·20 claims
- 2972US5798171AAdherent film with low thermal impedance and high electrical impedance used in an electronic assembly with a heat sinkSHELDAHL INC·Filed 1996·Granted Aug 25, 1998·40 cites·15 claims
- 3071US4747968ALow temperature cure having single component conductive adhesiveSHELDAHL INC·Filed 1987·Granted May 31, 1988·30 cites·4 claims
- 3167US5942815AProgrammable capacitive horn switchSHELDAHL INC·Filed 1997·Granted Aug 24, 1999·33 cites·18 claims
- 3266US5364707AMetal-film laminate resistant to delaminationSHELDAHL INC·Filed 1992·Granted Nov 15, 1994·21 cites·17 claims
- 3366US4747211AMethod and apparatus for preparing conductive screened through holes employing metallic plated polymer thick filmsSHELDAHL INC·Filed 1987·Granted May 31, 1988·29 cites·20 claims
- 3465US3939743APunch for film products having improved slug removal facilitySHELDAHL INC·Filed 1975·Granted Feb 24, 1976·27 cites·2 claims
- 3564US6060175AMetal-film laminate resistant to delaminationSHELDAHL INC·Filed 1997·Granted May 9, 2000·25 cites·20 claims
- 3656US5480730AMetal-film laminate resistant to delaminationSHELDAHL INC·Filed 1994·Granted Jan 2, 1996·11 cites·45 claims
- 3755US3973453ARadial line punchSHELDAHL INC·Filed 1975·Granted Aug 10, 1976·16 cites·4 claims
- 3854US5709979APrinted wiring board with photoimageable dielectric base substrate and method of manufacture thereforSHELDAHL INC·Filed 1994·Granted Jan 20, 1998·20 cites·23 claims
- 3954US5133118ASurface mounted components on flex circuitsSHELDAHL INC·Filed 1991·Granted Jul 28, 1992·23 cites·5 claims
- 4051US3980375AConnector for flexible circuitrySHELDAHL INC·Filed 1975·Granted Sep 14, 1976·15 cites·2 claims
- 4150US4176805AUnwind stand-roll brakeSHELDAHL INC·Filed 1978·Granted Dec 4, 1979·8 cites·6 claims
- 4247US3992966APunch assembly for film products with work clamping meansSHELDAHL INC·Filed 1975·Granted Nov 23, 1976·15 cites·7 claims
- 4340US4397082AMembrane switch having adhesive label as edge sealSHELDAHL INC·Filed 1982·Granted Aug 9, 1983·6 cites·3 claims
- 4434US5863608AMethod of preparing adherent/coherent amorphous fluorocarbon coatingsSHELDAHL INC·Filed 1992·Granted Jan 26, 1999·7 cites·3 claims
- 4532US4383020APreparation of photoconductive film using radiation curable resinSHELDAHL INC·Filed 1980·Granted May 10, 1983·5 cites·3 claims
- 4617US4096018ALaminator assemblySHELDAHL INC·Filed 1977·Granted Jun 20, 1978·3 cites·3 claims
- 4714US4024521AAlarm indicator circuit using indicator lampsSHELDAHL INC·Filed 1975·Granted May 17, 1977·2 cites·3 claims
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