INTRODUCTION
46
MATRIX 220
Direct Part Marking
Matrix 220 is also very powerful in reading low-contrast direct part marked codes.
Figure 21 - Dot Matrix Code Directly Marked on Metal Surface by Using Dot Peening
Technology
Figure 22 - Dot Peening Marking on Metal Surface with Multi-dot per Code Element
Figure 23 - Directly Marked Dot Matrix Code Characterized by Outstanding Separation
Distance between Adjacent Code Elements
Ink-Jet Printing Technology
Figure 24 - Dot Matrix Code Directly Marked on PCB Copper Pad by Using Ink-Jet
Technology
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