Coating processes – Electrical product produced – Welding electrode
Patent
1990-06-05
1992-02-11
Lusignan, Michael
Coating processes
Electrical product produced
Welding electrode
427 58, 427258, 4274071, 427421, 26427213, 26427214, 264279, 2642791, B05D 306, B05D 512, B05D 102, B29C 0000
Patent
active
050874799
ABSTRACT:
A method forming a compressible intermediate layer between a chip and a chip envelope provides that an ultraviolet-curable gel that is metered onto the chip with a multiple needle arrangement. The multiple needle arrangement is conducted over the chip surface with varying moving directions and, under certain circumstances, with varied speeds as well. After the application of the gel, the layer is pre-cured on a strips of ultraviolet light that follows the multiple needle arrangement at a defined distance therefrom.
REFERENCES:
patent: 3579821 (1971-05-01), Kurisu
patent: 3622419 (1971-11-01), London et al.
patent: 4567006 (1986-01-01), Covington et al.
patent: 4711688 (1987-12-01), Pienimaa
patent: 4843036 (1989-06-01), Schmidt et al.
patent: 4880663 (1989-11-01), Shimada
patent: 4927580 (1990-05-01), Nasu et al.
Kutscherauer Rudolf
McManus Patrick
Lusignan Michael
Padgett Marianne L.
Siemens Aktiengesellschaft
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