ELECTRICALLY CONNECTING DEVICE FOR SEMICONDUCTOR DEVICE AND CONTACT USED IN THE ELECTRICALLY CONNECTING DEVICE

摘要

Provided are an electrically connecting device and a contact, which improve positional accuracy of a contact point of a plunger brought into contact with a semiconductor device and achieve stable contact with the semiconductor device.  The contact is composed of the plunger and a coil spring unit which holds the plunger thereon.  The plunger includes an upper contact piece having a plurality of contact points on an upper end section, a wide width section, and a lower contact piece having two contact pieces each having a contact point on a lower end section.  The coil spring unit includes a funnel-shaped closely winding section, which includes a spring section, a guiding section and a finely winding section having the contact point on the lower end section.  The contact points arranged on the upper contact piece are arranged to planarly spread at intervals, and the contact points arranged on the two contact pieces of the lower contact piece are formed to elastically deform to each other.