Leydig, Voit & Mayer
Device for resin sealing semiconductor devices
 A device for resin sealing semiconductor devices includes a pair of chase blocks having cavities for holding semiconductor devices, a press machine for pressing the chase blocks against each other through a pair of press surfaces, a plurality of support members for holding the chase blocks over the respective press surfaces of the press machine and undergoing elastic compressive deformation during the press operation of the press machine, and a plastic injector for injecting plastic into the cavities in the chase blocks. 
Mitsubishi Denki Kabushiki Kaisha
B B B
B29C B30B B29C
inventional inventional inventional
Yutaka Hiromichi Yasutsugu Sueyoshi Hideaki Tatsuro
Morita Yamada Tsutsumi Tanaka Suezaki Takahashi