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Explain the difference Between Contact, Proximity and Projection Printing.
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written 3.0 years ago by
prajapatijaimin
• 3.3k
|
Solution:
| Contact | Proximity | Projection Printing. |
|---|---|---|
| Reduced mask life | Average mask life | Increased mask life |
| High detect density in the printed pattern | Poor Eliminates defect as there is no direct contact | Good No defects |
| A photomask containing a pattern for an entire wafer is brought into contact with the wafer to … |
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