COLOR STICK ENCODING LAYERS MASK LAYOUT ENCODING

GREEN N-Diffusion

RED Polysilicon

BLUE Metal1

BLACK Contact cut

COLOR STICK ENCODING LAYERS MASK LAYOUT ENCODING

GRAY Not applicable Overglass

NMOS ONLY

YELLOW

Implant

NMOS ONLY

BROWN

Buried contact

FEATURE FEATURE(STICK) FEATURE(SYMBOL) FEATURE(MASK)

Nmos enhance-ment mode transistor

Nmos depletion mode transistor

Nmos only

L:W

S D

GS D

G

S D

G

COLOR STICK ENCODING LAYERS MASK LAYOUT ENCODING

YELLOW(STICK)

P-Diffusion

YELLOW Not shown on diagram P+ mask

DARK BLUE OR PURPLE

Metal2

BLACK Via

COLOR STICK ENCODING LAYERS MASK LAYOUT ENCODING

BROWN Demarcation Line P-well

BLACK VDD or VSS Contact

P-well edge is shown as a demarcation line in stick diagram

VDD VSS

FEATURE FEATURE(STICK) FEATURE(SYMBOL) FEATURE(MASK)

N-typeenhance-ment mode transistor

P-type enhancement mode transistor

P+ mask

S D

G

S D

G

S D

G

Demarcation line

Demarcation line

COLOR STICK ENCODING LAYERS MASK LAYOUT ENCODING

ORANGE Polysilicon2

Bipolar npn transisitor

PINK Not seperately encoded

P-base of bipolar npn transistor

PALE GREEN

Not seperately encoded

Buried collector of bipolar npn transistor

FEATURE FEATURE(STICK) FEATURE(SYMBOL) FEATURE(MASK)

N-typeenhance-ment poly. 2 transistor

P-type enhancement poly.2 transistor

NPN bipolar transistor

Demarcation line

Demarcation line

S DG

S D

GS S

G