Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kimura Tomoshi and Yamaji Yasuhisa and Miyata Koji and Aoki Kazumasa and Narai Atsuya and Ishio Toshiya and Fujita Kazuya and Kada Morihiro,Development of PPF(Pre-Plated-Frame)Package Process,Technical report of IEICE. ICD,,"The Institute of Electronics, Information and Communication Engineers",1994,94,,17-24,https://cir.nii.ac.jp/crid/1572261552344595072,