抄録
There have been many kinds of high functional film used for our common goods, such as photo graphic film, magnetic tape, optical film for liquid crystal displays and battery separator for hybrid motor car etc. These kinds of long and flexible film, so called 'web', are manufactured by roll to roll process. Web handling process among roll to roll process is the significant key technology to avoid production loss caused by defects such as wrinkling and scratch. In the viewpoint of production, web handling technology was developed by increasing productivity in the past and will acquire high precise technology to create high functional film in the future.
