Question

For photographic purpose usually coordinatograph is preferred for artwork because,

(a) It is a precision drafting machine

(b) Cutting head can be positioned accurately

(c) It can be moved along two perpendicular axes

(d) All of the mentioned

The question was asked in examination.

My doubt is from Basic Planar Process in portion IC Fabrication of Linear Integrated Circuits

Answer 1

The correct answer is (d) All of the mentioned

Simply put: The coordinatograph is a drafting machine that outlines the pattern cutting through the red Mylar without damaging the clear layer underneath.