Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1976-06-14
1978-05-23
Lusignan, Michael R.
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
72 42, 20415922, 20415923, 252 56S, 427388A, B44D 150
Patent
active
040911233
ABSTRACT:
A steel sheet having a two-layer film which exhibits excellent lubricating properties under press working can be manufactured by one step coating. In this case the coating composition after being applied to the sheet is irradiated with ionizing radiant energy, i.e., radioactive ray or electromagnetic wave, in an atmosphere containing an oxidizing substance.
The outermost layer obtained is an uncured or unhardened semi-fluid layer but the layer contacting the surface of the steel sheet is a cured or hardened resin layer. If a lubricant is incorporated in the coating composition, or if the main component of the coating composition has one double bond per molecule, the result is more advantageous.
REFERENCES:
patent: 3090698 (1963-05-01), Wilson
patent: 3247012 (1966-04-01), Burlant
patent: 3535148 (1970-10-01), Rauuc
patent: 3713935 (1973-01-01), Grecchi
patent: 3728147 (1973-04-01), Jenkins et al.
Inhibition of Mild Steel Corrosion by Organic Polymers, Hartman et al., Materials Protection & Performance, vol. 11, No. 2, 1972, pp. 28-34.
Ayusawa Saburo
Nagashima Takeo
Tsutsumi Masaya
Lusignan Michael R.
Nippon Steel Corporation
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