Company:                     Linear Technology
Product:                     DC2228A REV 3
Board Size:                  164.5mm x 100mm
Layers:                      4
Core Layer:                  
Pre-Preg Layers:             
Inner Layer Cu Thickness:    0.5 oz. nominal
Outer Layer Cu Thickness:    1 oz. nominal (Cu foil + Cu plating)
Solder Mask (Top & Bottom):  SMOBC, LPI

File Naming Convention:
         Top Solder Mask:        DC2228A-3-TM.art
	 Top Silkscreen:         DC2228A-3-TS.art
         Top Paste Mask:         DC2228A-3-TP.art
         Top Copper:             DC2228A-3-1.art
	 Inner Layer 1 Copper:   DC2228A-3-2.art
	 Inner Layer 2 Copper:   DC2228A-3-3.art
	 Bottom Copper:          DC2228A-3-4.art
         Bottom Paste Mask:      DC2228A-3-BP.art
         Bottom Silkscreen:      DC2228A-3-BS.art
	 Bottom Solder Mask:     DC2228A-3-BM.art
	 Mechanical Drill:       DC2228A-3-DRILL.drl
         PCB Outline:            DC2228A-3-PCB.art
         Fabrication Drawing:    DC2228A-3-FAB.art         
	 

Finished Board Thickness:    0.062" +/- 0.005"
Surface Finish:              Gold Immersion
