|4684256||Apparatus and method for continuously measuring polarizing property|
An apparatus for measuring an optical axis direction in which an intensity of the light transmissive to a specimen to be measured disposed between two polarizers is measured by an orthogonal Nicol optical system which uniaxially comprises a light source, ...
|4631110||Peeling type developing apparatus|
A peeling type developing method and apparatus for removing exposed photoresist from printed circuit boards. The printed circuit board is covered with a photopolymerization compound layer and then a transparent support layer. After exposure, a thin adhesi...
|4569885||Polyester film for forming printed circuit|
A polyester film for printed circuits to be used as a base in a printed circuit base plate or as a base and/or cover layer in a printed circuit board, which undergoes a degree of dimensional stability of not more than 1% in both the longitudinal and trans...