Horizontal cassette

Details Horizontal cassette Horizontal cassette

2005-08-02

2005-08-02

Bui, Luan K. (Department: 3728)

Special receptacle or package

Holder for a removable electrical component

For a semiconductor wafer

C206S454000

Reexamination Certificate

active

06923325

ABSTRACT:
A cassette, particularly suitable for storing film frames, in a preferred embodiment utilizes an integral shell portion with a plurality of shelves to support a plurality of axially aligned horizontally stacked film frames. A door, preferably vacuum-formed, covers the open front of the shell to enclose the film frames therein. The cassette may have a robotic top and collapsible handles. In a preferred embodiment the handles are U-shaped and slideably engaged with a pair of brackets integral with the sidewall. In another embodiment the handles pivot about an axis parallel to the top of the cassette and attach by a pair of split prongs insertable into a pair of receiving holes. A pair of film frame retention members are pivotally and rotatably attached at the sides of the shell inside the front opening. The restraints are pivotable between an open position where they are aligned with the sidewalls and pointing toward the open front to a film frame retention position where they are rotated to face inwardly in an approximately radial direction. The film frame retention members may be actuated by handles positioned on the top of the enclosure. Alternatively, the retention members may be automatically actuated by a helical cam mechanism with a engagement portion extending below the cassette to contact a surface upon which the cassette is placed. The members may be biased and spring loaded such that they remain in the retention position and/or the open position when so placed.

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