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US 5,390,811 AGranted
Wafer basket for containing semiconductor wafers
AssigneesShin-Etsu Handotai Co., Ltd., Shin-Etsu Polymer Co., Ltd.
InventorsNobuyoshi Ogino, Toshitsugu Yajima
Life of this patent
Estimating the term…
Abstract
A wafer basket which is provided with a new type of locking and unlocking device for locking the top lid to the main body of the outer box and unlocking the same, wherein it is possible to unlock it by merely pressing a part of the locking and unlocking device inwardly; furthermore, the top lid and the bottom of the main body are shaped such that they fit and engage with each other.
Claims9
A container for semiconductor wafers comprising
- an outer box having a main body with sides and a lid having a peripheral brim surrounding a portion of said sides of said main body when said lid is placed on said main body, said lid being further adapted to fit on an edge of said sides of said main body,
- at least one side of at least one of said main body and said lid having a click boss integrally formed therewith,
- a corresponding side of the other of said main body and said lid having a hook means integrally formed therewith for engaging said click boss, at least one of said click boss and said hook means including means for causing engagement of said hook means and said click boss when said lid is fitted on sid main body, and
- a means located at a periphery of said container for disengaging said hook means from said click boss when an inward force is applied to said hook means, said means for disengaging said hook means from said click boss including
- fulcrum boss member, integrally formed with at least one of said main body and said lid at a location adjacent said hook means, for causing outward motion of a portion of said hook means in response to said inward force.
2 more elements
A container for semiconductor wafers comprising
- an outer box having a main body with sides and a lid having a peripheral brim surrounding a portion of said sides of said main body when said lid is placed on said main body, said lid being further adapted to fit on an edge of said sides of said main body,
- at least one side of at least one of said main body and said lid having a click boss integrally formed therewith,
- a corresponding side of the other of said main body and said lid having a hook means integrally formed therewith for engaging said click boss, at least one of said click boss and said hook means including means for causing engagement of said hook means and said click boss when said lid is fitted on said main body, and
- a means located at a periphery of said container for disengaging said hook means from said click boss when an inward force is applied to said hook means, said means for disengaging said hook means from said click boss including
- a fulcrum boss integrally formed with at least one of said main body and said lid at a location adjacent said hook means whereby a portion of said hook means is forced outwardly by said inward force,
- wherein said hook means includes a resilient engagement tongue for engaging said click boss, and
- wherein said fulcrum boss is located to engage said hook means at the approximate mid-point of said resilient tongue.
4 more elements
Dependencies are inferred from the claim text.