DAP Corporation

High digital technology power of
DAP will lead the world

Division	Patent No.	Patent name	Cases
New technology	0343903	Manufacturing method for blind via hole of multi-layerprinted circuit board	7 cases
	0490973	Metal mask and method of manufacture thereof, and method of manufacturing multi-layered printed circuit board using thereof
	0509201	Method of manufacture for multi-layered printed circuit board
	1312029	Method for manufacruting copper clad laminated board
	1336635	Method for manufacturing cavity PCB
	1525027	Method for manufacturing a printed circuit board
	1659439	Method for processing printed circuit board
Manufacturing technology	1569167	Guide holes process and PCB having the holes	7 cases
	1576486	Optimal printing method for solder mask screen
	1600440	Screen printing apparatus
	1605379	Electric plating method for copper
	1669062	Apparatus for supporting printed circuit board while transferring
	1669065	Rotary-type copper powder filtering system
	1679565	Bonding target guide
Specialized material	1419699	Clean roll for preventing static electricity and method for producing conductive roll thereof	3 cases
	1470359	Drilling device and drill bit thereof
	1631843	Box type tray for PCB

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