Patent ID: 6906412
Filing Date: 2005-06-14
Classification: B81B,B81C,G01P,H01L,H05K

Abstract:
1. A surface-mounted sensor package comprising: a case for accommodating a semiconductor sensor chip having output terminals, said case having a bottom wall which is divided into a center area for supporting said semiconductor sensor chip and a peripheral area, output electrodes being formed on external surfaces of said peripheral area, said output electrodes being provided for electrical connection with said output terminals, said output electrodes being adapted in use to be soldered to a printed board for electrical connection of the semiconductor sensor chip to an electric circuit of said printed board as well as for holding the sensor package physically on said printed board, wherein grooves are formed in an interior surface of said bottom wall between said center area and said peripheral area, a recess being formed in an interior surface of said center area of said bottom wall, said recess forming a support flange around said recess for fixedly supporting a bottom of said sensor chip, said recess being cross-shaped in the interior surface of said bottom wall.