| 摘要 |
[PROBLEM] AN EXTERNAL STORAGE DEVICE IS PROVIDED, WHICH CAN CALL ATTENTION TO THE HANDLING AS PRECISION ELECTRONIC EQUIPMENT SO AS TO OBTAIN AN APPROPRIATE ATTACHMENT ACTION FOR A CAP WHILE PREVENTING THE CAP FROM EASILY COMING OFF.[MEANS OF SOLVING THE PROBLEM] A SUBSTRATE HOLDER (13) IS MADE OF A TRANSPARENT MATERIAL. AT THE SAME TIME, NOTCHES (19A AND 20A) FOR EXTERNALLY EXPOSING THE SUBSTRATE HOLDER (13) ARE FORMED IN A MAIN BODY (11) AND A CAP (14), RESPECTIVELY. A MEMORY SUBSTRATE (12) PRESENT INSIDE CAN BE VISIBLY OBSERVED FROM THE EXTERIOR THROUGH THESE NOTCHES (19A AND 20A) AND THE TRANSPARENT SUBSTRATE HOLDER (13). MOREOVER, A PAIR OF GUIDE EDGES (28 AND 29) ARE FORMED SO THAT THE NOTCHES (19A AND 20A) ARE PARALLEL IN AN ATTACHMENT/REMOVAL DIRECTION OF THE CAP (14) AND TO OPPOSE TO EACH OTHER, WHEREAS GUIDE PARTS (30 AND 30) IN SLIDING CONTACT WITH THE GUIDE EDGES (28 AND 29) ALONG THEIR TOTAL LENGTH ARE PROVIDED FOR THE SUBSTRATE HOLDER (13) SO AS TO GUIDE THE ATTACHMENT/REMOVAL OF THE CAP (14).(FIG 10)
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