History
The corona treatment was invented by the Danish engineer Verner Eisby in the 1951. Verner had been asked by one of his customers if he could find a solution which would make it possible to print on plastic. Verner found that there were already a couple of ways to accomplish this. One was a gas flame method and the other was a spark generating method, both of which were crude and uncontrollable and did not produce a homogeneous product. Verner came up with the theory that a high frequency corona discharge would provide both a more efficient and controllable method to treat the surface. Exhaustive experiments proved him to be correct. Verners company, Vetaphone, obtained patent rights for the new corona treatment system.
Read more about this topic: Corona Treatment
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