| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent occurrence of a gap at an abutted part at a side plane of upper and lower shell halves in a recording medium cartridge provided with a flat housing in which the upper and lower shell halves are butt-welded in a plurality of points of a peripheral wall and formed and which is provided with an opening for access for the incorporated recording medium, and a shutter attached to the housing movably to open and close the opening for access of this housing. <P>SOLUTION: The upper and lower shell halves are welded in a state that the vicinity of welding points W<SB>4</SB>and W<SB>5</SB>in a part facing to the opening 6 for access for the recording medium 5 of the housing is pressed with larger pressing force than other parts. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
