Item			1N-Type (Formerly A-Type)	2K-Type (Formerly B-Type)	2R-Type (Formerly C-Type)	4K-Type (Formerly D-Type)	Aluminum Sheet (Comparative Materials)
Flow solder wettability (Wetting Balance Graph)	Initial	Active Flux	Good	Good	Good	Good	Bad
		Non Active Flux	Bad	Good	Poor	Good	Bad
	After Time Lapse	Active Flux	Good	Good	Good	Good	Bad
		Non Active Flux	Bad	Good	Bad	Good	Bad
Reflow solder wettability	Initial		Good	Good	Good	Good	Bad
	After Time Lapse		Bad	Good	Poor	Good	Bad
Radiation	Emissivity		<0.1	<0.1	0.5	<0.1	<0.1
Electrical Conductivity	Four Probe Method		Good	Good	Good	Good	Good
Corrosive Resistance	Salt Spray Test (35 degree centigrade-5% NaCl-24 hrs)		Poor	Good	Poor	Bad	Good
Appearance

Note 1) 2R-Type and 4K-Type are under development.
Note 2) Flow soldering and reflow soldering wettability are measured using lead free solder (Sn-3.0Ag-0.5Cu).
Note 3) Time lapse solder wettability time lapse conditions are 60 degree centigrade, 95% relative humidity ´ 1 week