REFERENCES
- Kobayashi , A. and Tsukada , T. 1971 . “Drilling of Multi-Layer Printed-Circuit Board,” . Paper Presented at the SME Engineering Conference . 1971 . Technical Paper MR71-202.
- Kobayashi , A. Machining of Plastics , New York : McGraw-Hill .
- Kobayashi A. Tsukada T. et al., Plastics , Vol. 20 , No. 4. ( 1969 ), (in Japanese).
- Tsukada , T. and Terashima , M. 1971 . “Drilling Performance of the Plated Drill, New Type Drill Dynamometer for Small Drill,” . Paper Presented at the Meeting of the Japan Soc. of Precision Eng. 1971 . (1972), (in Japanese).