SEARCH PRODUCTS

CHROME MASK ETCHANT CE-5M

DESCRIPTION:

Chrome Mask Etchant CE-5M is a ceric ammonium nitrate /perchloric acid etching solution for all types of chrome plates. Etch rate will depend upon substrate chrome density and process conditions. In general, the etch time usually ranges from 15 to 55 seconds at room temperature (25 oC). The etchant can be supplied with an added surfactant (CE-5MS). Chrome Mask Etchant CE-5M is suitable for sub-micron photolithography applications.

PHYSICAL & CHEMICAL PROPERTIES:

Appearance

Clear, orange liquid

pH (20oC)

less than 1.0

Specific Gravity (20oC)

1.103-1.105

Filtration

0.2 micron

Metals

Meets or exceeds SEMI specifications

Etch Rate

50 Å / sec

Operating Temperature

20-25°C

Tank

Glass or polypropylene



Storage and Handling:

Store at room temperature away from direct sunlight, keep container sealed when not in use. This is an acid oxidizing solution and should be handled with caution. In case contact is made to eyes or skin, flush with large quantities of water and contact a physician if irritation persists.