| http://www.w3.org/ns/prov#value | - An apparatus 9A, 9B for measuring an degree of orientation of a film in real time comprises: thickness gauges 8A, 8B, an apparatus for measuring a retardation caused by a birefringence, and a degree of orientation processing section provided in a control section 11, and as occasion demands, a light guiding apparatus such as an optical fiber is used.
|
