A planar, capacitive-type, rectangular, and multi-pixel fingerprint sensing array is mounted on the horizontal and generally rectangular top-surface of a dome that extends upward generally from the center of a horizontally disposed and generally rectangular silicon substrate member. The dome is formed...http://www.google.es/patents/US6011859?utm_source=gb-gplus-sharePatente US6011859 - Solid state fingerprint sensor packaging apparatus and method
Solid state fingerprint sensor packaging apparatus and method
