[ Problem Point ]
In order that there might not be heat resistance and radiation resistance in a mask stop tape, when it exposed several times, distortion arose.
[ Kaizen Point ]
The mask stop was carried out on the Toughtape.
Exposure work became favorable and continuation exposure time increased sharply.
Related page:
No.7 Fixed position of the exposure apparatus 
No.2 End surface of the film take-up fixed 
No.1 Splicing and connecting the film 
No.3 End stop before heat shrinking of cloth 
No.9 Attachment of in-company Kamban of a heat-resistant board 
No.10 Outer stop winding and interlayer insulating transformers and coils 
No.15 Insulation protects the hard disk 
No.14 Motor and Transformer interlayer insulation