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Article: South Korean Inventors Develop Probe Card
- Article from:
- US Fed News Service, Including US State News
- Article date:
- October 25, 2007
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ALEXANDRIA, Va., Oct. 25 -- Bong Hwan Kim, Kukjin Chun, Doo Yun Chung and Chi Hwan Jeong, all from Seoul, South Korea, have developed a probe card.
According to the U.S. Patent & Trademark Office: "The present invention relates to a probe card that a probe of the probe card is movable only in a vertical direction using a trench to improve a electrical or a mechanical characteristic and to automatically limit the vertical movement thereof within a predetermined range. A pitch may be reduced so as to correspond to a decreasing distance between pads. A flatness of a probe tip may be maintained within a few micrometers using a semiconductor manufacturing process. Simultaneous parallel ...