Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1984-06-29
1988-04-05
Kight, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528353, 357 72, C08G 6926
Patent
active
047360127
ABSTRACT:
A semiconductor device containing an .alpha.-rays shielding resin layer on at least active portion of a semiconductor element, said .alpha.-rays shielding resin being a special polyimide resin, is excellent in thermal resistance at the time of sealing the semiconductor element, adhesion of the .alpha.-rays shielding layer to the semiconductor element, and .alpha.-rays shielding ability.
REFERENCES:
patent: 3632433 (1972-01-01), Tokuyama et al.
patent: 3953877 (1976-04-01), Sigusch et al.
patent: 4017886 (1977-04-01), Tomono et al.
patent: 4040083 (1977-08-01), Saiki et al.
patent: 4091407 (1978-05-01), Williams et al.
patent: 4323405 (1982-04-01), Uno et al.
patent: 4378400 (1983-03-01), Makino et al.
patent: 4473523 (1984-09-01), Sasaki et al.
patent: 4494217 (1985-01-01), Sizuki et al.
Anolich, E. S., "Prevention . . . Alpha Emission" in IBM Tech. Discl. Bull., vol. 22, No. 2, Jul. 1979, p. 678.
Dougherty, W. D., "Low .alpha. Particle Package Design" in IBM Tech. Discl. Bull., vol. 22, No. 7, Dec. 1979, p. 2748.
Electronics, Jun. 8, 1978, pp. 42-43.
Mukai, K. et al, "Planar Multilevel . . . Polyimide" in IEEE J. Sol.-State Circ., vol. SC-13, No. 4, Aug. 1978, pp. 462-467.
Anolick, E. S., "Reduction of Memory Errors Due to Alpha Particles" in IBM Tech. Discl. Bull., vol. 22, No. 6, Nov. 1979, pp. 2345-2346.
Ward, W. E., "Alpha Particle Shield" in IBM Tech. Discl. Bull., vol. 22, No. 4, Sep. 1979, p. 1398.
Kenmotsu Akihiro
Komaru Takeshi
Obara Isao
Shoji Fusaji
Yokono Hitoshi
Hitachi , Ltd.
Kight John
Moore M. L.
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