KMG Electronic Chemicals 64216 CR-44 Chrome Etch Without Surfactant, Cleanroom Grade, 1 Gallon Bottle (Case of 4)
- Assay (HNO3): 7.5 - 9.5%; Cerric Ammonium Nitrate: 9.3 - 11.3 %
- Specific Gravity < 1.12; Copper (Cu): < 30000ppb, Iron (Fe): < 50000ppb, Sodium (Na): < 50000ppb
- Chrome Etchant does not contain surfactant
- Trace impurities measured in PPB. See "Documents" sub-tab below for "Product Datasheet" link.
- Case of 4 x 1 Gallon Bottles
- Manufacturer Part No: 64216
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Details
Chrome Etch removes excess metallic chrome, leaving a well-defined chrome pattern on a glass mask. The reported etch rates are performed on photomask blanks at 21°C, coated with 980 A of anti-reflective chrome. Etch rates are not absolute values. They may vary with chrome type, deposition method, chrome blank supplier, process equipment utilized and type of agitation. 4x1Gallons/Case. Chrome Etchant without Surfactant, Cleanroom Grade.
Documents & Videos
Chrome Etch removes excess metallic chrome, leaving a well-defined chrome pattern on a glass mask. The reported etch rates are performed on photomask blanks at 21°C, coated with 980 A of anti-reflective chrome. Etch rates are not absolute values. They may vary with chrome type, deposition method, chrome blank supplier, process equipment utilized and type of agitation. 4x1Gallons/Case. Chrome Etchant without Surfactant, Cleanroom Grade.