LEADLESS CHIP CARRIER TYPE ELECTRONIC PART, PRINTED CIRCUIT BOARD AND LEADLESS CHIP CARRIER TYPE ELECTRONIC PART DEVICE

摘要

PURPOSE: To improve yield in the manufacture of an LCC type electronic part by preventing defective soldering such as a solder ball when the LCC type electronic part is installed onto a printed circuit board. ;CONSTITUTION: In an LCC type electronic part 30 with a housing section 31, in which an integrated circuit is housed, and electrodes 32 set up to the peripheral section of the housing, section 31 and soldered-Joined with lead sections disposed on a printed circuit board, projection sections 33 are formed to sections, on which no electrode 32 is arranged, on the surface side oppositely faced to the printed circuit board of the housing section 31.;COPYRIGHT: (C)1995,JPO