Abstract: The present invention relates to compounds from Antrodia cinnamomea. The present invention also relates to a composition and a method for treating or prophylaxis of hepatitis C virus (HCV) or human immunodeficiency virus (HIV) infection.

Abstract: The present invention relates to compounds from Antrodia cinnamomea. The present invention also relates to a composition and a method for treating or prophylaxis of hepatitis C virus (HCV) or human immunodeficiency virus (HIV) infection.

Abstract: The present invention relates to compounds from Antrodia cinnamomea. The present invention also relates to a composition and a method for treating or prophylaxis of hepatitis C virus (HCV) or human immunodeficiency virus (HIV) infection.

Abstract: A semiconductor apparatus having improved thermal fatigue life is provided by lowering maximum temperature on jointing members and reducing temperature change. A jointing member is placed between a semiconductor chip and a lead electrode, and a thermal stress relaxation body is arranged between the chip and a support electrode. Jointing members are placed between the thermal stress relaxation body and the chip and between the thermal stress relaxation body and the support electrode. A second thermal stress relaxation body made from a material having a thermal expansion coefficient between the coefficients of the chip and the lead electrode is located between the chip and the lead electrode. The first thermal stress relaxation body is made from a material which has a thermal expansion coefficient in between the coefficients of the chip and the support electrode, and has a thermal conductivity of 50 to 300 W/(m·° C.).

Abstract: The present invention provides a semiconductor apparatus having the improved thermal fatigue life against temperature change by lowering the maximum temperature on a jointing member existing between a semiconductor element and an electrode terminal and reducing the range of the temperature change.

Abstract: A power-driven screwdriver for use with a motor-driven tool for driving a strip of screws one at a time into a workpiece and having an outer guide frame in which a slide block and a slide plate are slidably mounted. A screw indexing lever is angularly movably mounted on the slide block and has a pin received in a first cam slot having an oblique portion and defined in the outer guide frame and a second cam slot defined in the slide plate. When the motor-driven tool is pushed toward a workpiece, the slide block and the slide plate are slid into the outer guide frame, allowing a screwdriver bit to engage and drive a screw into the workpiece. After the screw has been driven, the motor-driven tool is retracted away from the workpiece, whereupon the slide block and the slide plate are forced to slide out of the outer guide frame under the bias of a spring around the screwdriver bit.