CIF File Layer Name

Layer Description

Colour

NWELL

N-type material well in p-substrate

Light pink (no fill)

PPLUS

P+ material

Light pink (speckled fill)

DIFF

Diffusion (defining active area of transistors)

NPLUS

N+ material

Yellow (speckled fill)

POLY1

Polysilicon layer number 1

Red (shaded)

CONTACT

Connection between either

(i) POLY1 and METAL1

(ii) METAL1 and NPLUS

(iii) METAL1 and PPLUS

Light green (Solid fill)

METAL1

Metal layer number 1

Dark blue (shaded)