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Exposure of the photo resist through a negative and its subsequent development creates areas on the plate that are either protected by the resist or exposed to the effects of the dye, bleach, or etchant that are used to create the contrasting mark. [9] Type 2 photosensitive anodized aluminum must be sealed just like Type 1.
Sawyer's, Inc. was an American manufacturer and retailer of slide projectors, scenic slides, View-Master reels and viewers, postcards, and related products, based in Portland, Oregon. Founded in 1914 as a photo-finishing company, Sawyer's began producing and selling View-Masters in 1939, and that soon became its primary product.
Fred Meyer, Inc. is an American chain of hypermarket superstores and subsidiary of Kroger based in Portland, Oregon. [1] The stores operate in the northwestern United States, with locations in Oregon, Washington, Idaho, and Alaska.
Products Finishing is a monthly American trade magazine and web site focused on reporting on the use of organic and inorganic finishings and the technologies used to deliver them. The Publisher is Todd Luciano, the Editor is Scott Francis. Editorial offices are located in Cincinnati, Ohio, USA. Products Finishing is published 12 times per year.
Photo-chemical milling was extensively used in the development of photography methods, allowing light to create impressions on metal plates. One of the earliest uses of chemical etching to mill commercial parts was in 1927, when the Swedish company Aktiebolaget Separator patented a method of producing edge filters by chemically milling the gaps ...
New products should phase out borates, because for most photographic purposes, except in acid hardening fixers, borates can be substituted with a suitable biodegradable compound. Developing agents are commonly hydroxylated benzene compounds or aminated benzene compounds, and they are harmful to humans and experimental animals.
It is produced by polishing the metal with a 120–180 grit belt or wheel finish and then softened with an 80–120 grit greaseless compound or a medium non-woven abrasive belt or pad. #4 Dairy or sanitary finish. This finish is commonly used for the medical and food industry and almost exclusively used on stainless steel.
Nickel electroplating is a process of depositing nickel onto a metal part. Parts to be plated must be clean and free of dirt, corrosion, and defects before plating can begin. [ 3 ] To clean and protect the part during the plating process, a combination of heat treating , cleaning, masking, pickling , and etching may be used. [ 1 ]