In an area of 30mil × 30mil, the area for artwork required = 30mil × 1.2cm = 36cm × 36cm. 4. Mylar coated with a sheet of red photographic Mylar is used for artwork (layout) because,
A. It is used to get a colourful layout
B. It can be easily peeled off from layout
C. It is recommended colour for layouts
D. It is used for highlighting layout
Answer:A
In an area of 30mil × 30mil, the area for artwork required = 30mil × 1.2cm = 36cm × 36cm. 4. Mylar coated with a sheet of red photographic Mylar is used for artwork (layout) because,
A. It is used to get a colourful layout B. It can be easily peeled off from layout C. It is recommended colour for layouts D. It is used for highlighting layout
Explanation: For photographic purpose, artwork should not contain any line drawing but must be of alternate clear and opaque region. The red layer can be easily peeled off thus exposing clear areas with a knife edge from regions where impurities have to be diffused. 5. Find the coating material used for photo etching process along with its thickness range.