Patent ID: 7254889
Filing Date: 2007-08-14
Classification: G01R,H01L,H01R,H05K,Y10T

Abstract:
1. A system for making electrical connection to an electronic device having at least a first and a second contact features, located in a pattern, with a small center distance between said contact features, the system comprising: a) at least one guide plate, being configured to form a comb, having at least a first and a second apertures for attachment to contact springs, said apertures being disposed in a similar pattern as said pattern of said electronic device and with a small center distance between said apertures, being equal in size to the small center distance between said contact features of said electronic device; and b) at least a first contact spring, having a body, said body having a large diameter or girth, and having a first and a second end, and said spring having a first and a second slender, said pushers having a diameter or girth smaller than that of said body, and said pushers having different length, said first pusher being long and having one of its two ends located next to said first end of said body and its second end being free and as the spring toe free end, while said second pusher being shorter than said first pusher and having one of its two ends located next to said second end of said body and its second end being free and as the spring head free end, and c) a second contact spring, similar in shape and features to said first contact spring, and d) said contact springs being placed adjacent to each other, and e) one free end of said first contact spring passing through said first aperture of said comb, and f) one free end of said second contact spring passing through said second aperture of said comb wherein g) said contact springs are arranged in form of a head-to-toe orientation with respect to each other, wherein said short pusher of said second contact spring is adjacent to said long pusher of said first contact spring, and said long pusher of said second contact spring is adjacent to said short pusher of said first contact spring.