Integrated circuit card having memory errasable with ultraviolet

Details Integrated circuit card having memory errasable with ultraviolet Integrated circuit card having memory errasable with ultraviolet

1987-09-09

1988-08-23

James, Andrew J.

357 72, 357 73, H01L 2308, H01L 2318, H01L 2330

Patent

active

047664800

ABSTRACT:
An IC card having a built-in IC chip within its thickness includes a window for exposing the IC chip to ultraviolet rays. The window has ultravoilet-ray-permeable material placed in a position corresponding to the built-in chip on the surface of the card. The ultraviolet-ray-permeable material placed over the window protects the built-in IC chip from contamination due to dirt, and also from damage due to contact with objects external to the card.

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Patent Abstracts of Japan, vol. 9, No. 113; May 17, 1985, pp. 110 & 356; and JP-A-60 589, (Kiyoudou Insatsu K.K.) 5-01-1985.

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