The plate is covered in a light sensitive compound, containing Silver Halide crystals.
When light falls on the Silver-halide, it causes the silver atoms to clump together.
When developed with chemicals, the silver is left behind, causing dark areas where light has fallen. This makes a negative image, where light is dark and dark is light.
To get a positive print, simply shine light through the developed plate onto paper covered in the same Silver-halide compound.
After the same chemical process, the picture is reversed again giving the positive image.
Barrel plating usually used for singulated units. Current supplied to the units by means of "fingers"/tangler in the barrel. Rack plating usually used for matrix work piece. Workpiece need to be placed in the rack for plating. Both platings hv similar plating concept, but pysically the plating done differently.
it is a plating of immersion
Quality Plating (www.qualitychromeplating.com) in Sterling, Illinois; Bales Mold Services, Downers Grove, IL (Ph- 800-215-6653); Nobert Plating Co., Chicago, IL (Ph-800-378-1903 ) are some companies in Illinois that undertaking chrome-plating works. You may also like to see the link :http://www.iqsdirectory.com/electroless-nickel-plating/chrome-plating/Search/State/IL/, for more companies. American Midwest Chrome offers chrome plating services also 24k gold, nickel and copper plating. Check out their web site americanmidwestchrome.com/
This will depend on the material you are interested in plating with. As the price of gold goes up, even plating with gold will become more and more expensive. Plating with silver will be less pricey than plating with gold.
The main difference between alkaline zinc plating and cyanide zinc plating is the type of bath used in the plating process. Alkaline zinc plating uses an alkaline electrolyte solution, while cyanide zinc plating uses a cyanide-based electrolyte solution. Alkaline zinc plating is considered more environmentally friendly compared to cyanide zinc plating, which contains toxic cyanide compounds.
Gatero's plating offers a nice chrome plating kit for an affordable price, and you can buy them online at http://www.gaterosplating.co.uk/Replica-Chrome-Plating-Kit.php. They also have other plating kits.
Gold plating depends on the spot price of gold. Gold plating is extremely thin, but gold is expensive too.
While chrome plating on teeth is not accepted by dentists, at least not yet, gold and silver teeth plating is common.
There are various plating services around the world, from what i have seen and found, the top places are: Ashley Jewlers, www.ashleyjewelers.com/services_plating.html and, Artisan Plating, www.artisanplating.com, and lastly Gold Plating Services, www.goldplating.com...
Many car and body shops might be able to do chrome plating. There are also specialize shops that specialize in chrome plating.
A metal plating company or a metal finishing company would be able to provide services for plating and polishing chrome. It's important to find a reputable company with experience in chrome plating to ensure high-quality results.
If you need chrome plating for auto parts, you can check Cen-Tex Plating Co. Inc. their number is 512-444-4721