An investigation of process parameters in the dam-bar cutting of integrated circuit packages

Journal of Materials Processing Technology

Volumn 66, Issue 1-3, 1997, Pages 63-72

  Lee, W B ^a   Cheung, C F ^a   Chan, L K ^b   Chiu, W M ^a  

^a HONG KONG POLYTECHNIC UNIVERSITY   (Hong Kong)

^b ASM Assembly Automation Ltd   (Hong Kong)

Author keywords

Dam bar cutting; Integrated circuit packages

Indexed keywords

ANISOTROPY; CUTTING TOOLS; DIES; INTEGRATED CIRCUIT MANUFACTURE; MICROELECTRONICS; PUNCHING; TRIMMING;

DAM BAR CUTTING; LEADFRAME MATERIALS; PLASTIC ANISOTROPY;

ELECTRONICS PACKAGING;

EID: 0031117964     PISSN: 09240136     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0924-0136(96)02496-X     Document Type: Article

References (13)

1. W. Johnson and F.W. Travis, High Speed Blanking of Copper, Applied Mechanics Convention (Cambridge), Proc. Inst. Mech. Eng., London, 180 (3I) (1966) 197-204.
2. W. Johnson and F.W. Travis, High speed blanking of steel, in J. Heyman and F.A. Leckie (Eds.), Engineering Plasticity, Cambridge University Press, (1968), pp. 385-400.
3. R. Davies and S.M. Dhawan, A preliminary investigation of high-speed blanking and piercing of metals, Proc. Inst. Mech. Engrs., London, 180 (3I) (1966) 183-197.
4. R. Davies and S.M. Dhawan, Further developments in high-speed blanking of metals, Proc. Int. MTDR Conf., Sept. 1966, pp. 67-79.
5. W. Johnson and R.A.C. Slater, A survey of the slow and fast blanking of metals at ambient and high temperatures, Proc. Int. Conf. Manuf. Tech., ASTME 1967, pp. 825-851.
6. T.M. Chang, J. Inst. Mets., (1950-51) 119-146.
7. T.M. Chang, J. Inst. Met., (1950-51) 393-414.
8. L.A. Holiga, Punch to die clearance, ASTME 33rd Ann. Meet. 65 (2) (1965) 1-19.
9. A. Ghosh, V. Raghu Ram, and P.B. Popat, J. Mech. Work. Technol., 11 (1985) 269-282.
10. F.W. Travis, An investigation into the effect of punch shear and clearance in the piercing of thick steel plate, Proc. 14th Int. Machining Tool Design Research Conf., Sept. 1974, Birmingham, UK, Macmillan, London, 823-829.
11. S. Mekaru, Int. J. Mach. Tools Manuf., 34 (1994) 1191-1202.
12. M.J. Cai and W.B. Lee, Mater. Sci. Forum, 157-162 (1994) 1251-1256.
13. I.A. Dellavia, I.R. Pacagnella and L. Dellavia Sheet Met. Inds., (1982) 691-694.