Bitumen Process - Law Dictionary Search Results
Bitumen process
in which advantage is taken of the fact that prepared bitumen is rendered insoluble by exposure to light as in photolithography … Any process in which advantage is taken of the fact that prepared
Niepces process
the action of light in rendering a thin layer of bitumen with which the plate is coated insoluble … A process now no longer used invented by J N Niepce a
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