IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0317023
(2002-12-11)
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발명자
/ 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
Patterson, Thuente, Skaar &
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인용정보 |
피인용 횟수 :
3 인용 특허 :
27 |
초록
▼
A wafer container, and methods of constructing a wafer container. The wafer container has an enclosure portion with at least a top, a bottom, a pair of opposing sides, a back, an open front, and a door to close the open front. The door includes a door chassis with at least a first latching mechanism
A wafer container, and methods of constructing a wafer container. The wafer container has an enclosure portion with at least a top, a bottom, a pair of opposing sides, a back, an open front, and a door to close the open front. The door includes a door chassis with at least a first latching mechanism. The latching mechanism has a rotatable cam member and at least one latching arm. The latching arm has a bifurcate cam follower portion that engages with the periphery of the cam member.
대표청구항
▼
1. A wafer container for holding semiconductor wafers, the container comprising:an enclosure portion having at least a top, a bottom, a pair of opposing sides, a back, and an open front;a pair of wafer supports in the enclosure portion, the wafer supports defining a plurality of slots, each slot ada
1. A wafer container for holding semiconductor wafers, the container comprising:an enclosure portion having at least a top, a bottom, a pair of opposing sides, a back, and an open front;a pair of wafer supports in the enclosure portion, the wafer supports defining a plurality of slots, each slot adapted to receive a wafer; anda door to close the open front of the enclosure portion, said door comprising:a door chassis; andat least a first latching mechanism on said door chassis, said first latching mechanism including:a rotatable cam member having a first surface, an opposed second surface, and a periphery, the first surface having a first raised lip portion at the periphery, the second surface having a recessed portion inward of the periphery; andat least a first latching arm having a bifurcate cam follower portion with a pair of branches, the bifurcate cam follower portion being slidingly engaged with the periphery of the cam member at the bifurcation of the branches, a first branch of said pair of branches engaged with the first raised lip portion, and a second branch of said pair of branches engaged with the recessed portion.2. The container of claim 1, the door further comprising a second latching arm.3. The container of claim 1, the door further comprising a second latching mechanism.4. A wafer container for holding semiconductor wafers, the container including an enclosure portion having at least a top, a bottom, a pair of opposing sides, a back, at least one wafer support, an open front, and a door to close the open front, said door comprising: a door chassis; andat least a first latching mechanism on said door chassis, said first latching mechanism including:a rotatable cam member having a first surface, an opposed second surface, and a periphery, the first surface having a first raised lip portion at the periphery, the second surface having a second raised lip portion at the periphery; andat least a first latching arm having a bifurcate cam follower portion with a pair of branches, the bifurcate cam follower portion being slidingly engaged with the periphery of the cam member at the bifurcation of the branches, a first branch of said pair of branches engaged with the first raised lip portion, and a second branch of said pair of branches engaged with the second raised lip portion.5. The container of claim 4, the door further comprising a second latching arm.6. The container of claim 4, the door further comprising a second latching mechanism.7. A wafer container for holding semiconductor wafers, the container including an enclosure portion having at least a top, a bottom, a pair of opposing sides, a back, at least one wafer support, an open front, and a door to close the open front, said door comprising: a door chassis; andat least a first latching mechanism on said door chassis, said first latching mechanism comprising:a rotatable cam member having a first surface, an opposed second surface, and a periphery, the first surface having a raised lip portion at the periphery; andat least a first latching arm having a bifurcate cam follower portion with a pair of branches, the bifurcate cam follower portion being slidingly engaged with the periphery of the cam member at the bifurcation of the branches, a first branch of said pair of branches engaged with the raised lip portion, and a second branch of said pair of branches slidingly engaged with the second surface.8. The container of claim 7, the door further comprising a second latching arm.9. The container of claim 7, the door further comprising a second latching mechanism.10. A wafer container for holding semiconductor wafers, the container comprising:an enclosure portion having at least a top, a bottom, a pair of opposing sides, a back, an open front, a pair of wafer supports in the enclosure portion, and a door to close the open front, said door comprising:a door chassis; andat least a first latching mechanism on said door chassis, said first latching mechanism comprising:a rotatable cam member having a periphery and a raised lip portion at the periphery; andat least a first latching arm, said first latching arm having a bifurcate cam follower portion with a pair of spaced apart branches adapted to be continually engaged around at least a portion of the periphery of said cam member, at least one of the branches engaged around the raised lip portion, the bifurcate cam follower portion being slidingly engaged with the periphery of the cam member at the bifurcation of the branches.11. The container of claim 10, wherein said rotatable cam member has a recessed portion inward of said periphery, and wherein said bifurcate cam follower portion has a first branch adapted to be engaged with the raised lip portion and a second branch adapted to be engaged with the recessed portion.12. The container of 10, wherein said rotatable cam member has a pair of raised lip portion at said periphery, wherein each branch of said bifurcate cam follower portion is adapted to be engaged with a separate one of said pair of opposing raised lip portions.13. The container of claim 10, the door further comprising a second latching arm.14. The container of claim 10, the door further comprising a second latching mechanisms.
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