, therefore all subsequent operations should be accomplished under similar conditions. The photo resisted plates have been pre-baked at the factory for 30 minutes at 100 1 C. It... rack in a clean convection type oven. NOTES: 1. Pre-baking time is not critical. 2. Pre-bake temperatures are critical at 95 to 105 C. Below this temperature the resist may lift... for post baking. The process from developing through resist removal can be a wet process. EXPOSURE Prior to exposing, allow plates to return to room temperature (21 C), and blow...

exposure information TOWNE TECHNOLOGIES, INC. 6-10 Bell Ave., Somerville, NJ 08876 USA Phone:(908) 722-9500 FAX: (908) 722-8394 S 1800 series Microposit S1800 series photo resists...

an exposure. Great care is taken to maximize stability ratio and exposure. At TOWNE TECHNOLOGIES we are very aware of the quality requirements of your resist holograms so we.... Larger plates are normally coated with 2.4 microns of resist. Spin coating thicknesses to 3.0 microns 10% are also available. All photoresists filtration to 0.2 micron. Plates...

flatness is within 150 micro inches per linear inch. COATING The coating is extremely abrasion resistant iron oxide - 3100A 5% in thickness. Towne's proprietary manufacturing process... micron and sub micron geometries in photo-resist with photo repeater. PINHOLES All plates subjected to ultrasonic cleaning prior to inspection. Plates are inspected at 20 power.... Thickness other than .060" on special order. RESIST COATING Plates are nornally coated with Shipley S-1400-30 or S-1800 photoresist. Click here for PROCESSING PROCEDURES. ETCHING...

resist removal, the photomasks are 100% visually inspected under Class 100 Clean Room conditions. (refer to Drawing C-100371 Processing Procedures, Ferroxoplates Sensitized... Photoresist Coating Defects in the photoresist coating are usually the result of resist impurities and/or contamination by the environment. (C) Defects In The Master Plates Defects...-paste ink. The ink is a single compound and h as excellent resistance to solvents, chemicals and abrasion when cured in the recommended procedure. The ink is available in a variety...