WO2005047726A2 - Wafer container and door with vibration dampening latching mechanism - Google Patents
Wafer container and door with vibration dampening latching mechanism Download PDFInfo
- Publication number
- WO2005047726A2 WO2005047726A2 PCT/US2004/037162 US2004037162W WO2005047726A2 WO 2005047726 A2 WO2005047726 A2 WO 2005047726A2 US 2004037162 W US2004037162 W US 2004037162W WO 2005047726 A2 WO2005047726 A2 WO 2005047726A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- spring
- latching mechanism
- container
- cam
- door
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/68—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/673—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere using specially adapted carriers or holders; Fixing the workpieces on such carriers or holders
- H01L21/6735—Closed carriers
- H01L21/67373—Closed carriers characterised by locking systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
- B65D85/38—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for delicate optical, measuring, calculating or control apparatus
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/0041—Damping means
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/006—Locks or fastenings for special use for covers or panels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/673—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere using specially adapted carriers or holders; Fixing the workpieces on such carriers or holders
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/04—Spring arrangements in locks
- E05B2015/0468—Spring arrangements in locks made of one piece with a lock part
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/04—Spring arrangements in locks
- E05B2015/0472—Made of rubber, plastics or the like
- E05B2015/0479—Made of rubber, plastics or the like of elastic string type
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
- E05C9/04—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening
- E05C9/042—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening with pins engaging slots
Definitions
- This application relates to sealable wafer containers, and more specifically to door latching mechanisms for wafer containers.
- Wafers are commonly stored and transported in sealed front-opening wafer containers that have a door secured by latches on the open front.
- the door can be typically removed manually or robotically.
- Such wafer containers are known in the industry as FOUPs, which is an acronym for front-opening unified pod, and FOSBs, an acronym for front-opening shipping box.
- FOUPs front-opening unified pod
- FOSBs front-opening shipping box.
- the doors on these types of containers are operated with robotic interfaces that have precisely positioned keys that insert into the front of the door to operate latching mechanisms to remove and place the door with respect to the container portion.
- Wafer container latching mechanisms ideally have certain characteristics. First, it is desirable that they operate reliably and consistently to latch and unlatch the door.
- the latching mechanisms are made and designed so as to emit a minimum of particulates, such as may be generated by sliding contact of parts during operation. It is further desirable that the latch mechanisms are simple to manufacture, assemble, and clean. Moreover, it is desirable that these latching mechanisms operate smoothly with controlled changes in the relative velocities of moving parts. Many typical existing wafer container latching mechanisms exhibit relatively abrupt deceleration of components. For example, in some such mechanisms, moving parts collide with a fixed stop at the limits of travel. The result is impact and vibration that serves to "launch" any particulates that may be resting on surfaces in the container, thereby enabling such particulates to later precipitate onto the wafers causing contamination and damage. What is needed in the industry is a wafer container having a latching mechanism with improved velocity and vibration control characteristics.
- a container for holding a plurality of wafers in an axially aligned, generally parallel spaced apart arrangement includes an enclosure portion having a top, a bottom, a pair of opposing sides, a back and an open front. At least one wafer support is provided in the enclosure along with a kinematic coupling on the bottom of the enclosure.
- the container has a door for sealingly closing the open front which includes a chassis and an operable latching mechanism on the chassis.
- the latching mechanism includes a cam selectively rotatable to shift the latching mechanism between a first favored position and a second favored position and at least one vibration dampener for dampening vibrations generated when the latching mechanism is shifted between the first and second favored positions.
- the latching mechanism includes a biasing spring for biasing the latching mechanism toward the first and second favored positions.
- the biasing spring includes a secondary portion operably coupled with the chassis for dampening vibrations generated by the latching mechanism during operation.
- the cam and spring may be made from electrically conductive material and the secondary portion of the spring may be coupled with a wafer cushion on the inside surface of the door to provide an electrical path to ground from wafers in the container.
- the latching mechanism includes at least one latching arm with a cam follower portion engaged in a slot defined in the cam. The slot has a spring disposed proximate either one or both ends of the slot to engage and provide a biasing force opposing movement of the cam follower toward the end of the slot at which the spring is located.
- a wafer container for holding a plurality of wafers has a door that sealably attaches to a container portion to form a sealed substrate container.
- the door has a latching mechanism with dampening and positioning means that facilitates economical manufacture, reliable operation, smooth and quiet operation, and effective latching for sealing the door.
- a preferred rotatable cam is formed from a thermoplastic material, and has a slot or other structure for engaging a cam follower.
- the cam follower engaging structure has internal integral finger-shaped dampening springs. Cam follower portions of the latch arms engage the cam follower engaging structure.
- a feature and advantage of the invention are the integral springs, which are molded as part of the components that are attached to provide velocity control, positioning, and dampening characteristics to the mechanism.
- An additional feature and advantage of the invention is that the latch arm has an integral finger spring that extends from the latch arm at an acute angle to engage the enclosure as necessary to constrain the lever arm.
- Another feature and advantage of the invention is that the integrally molded springs minimize the number of components for assembly and thus minimize component connection joints which can accumulate and trap particulates.
- An advantage and feature of the invention is that the latching mechanism operates smoother and more quietly with less particulate launching due to the vibration dampemng features.
- FIG. 1 is a perspective view of a front-opening wafer carrier
- Fig. la is a perspective view of an alternative embodiment of a front-opening wafer containers seated on a piece of processing equipment
- Fig. 2 is a perspective view of a wafer container door with the front cover removed;
- FIG. 3 is a front elevational view of a wafer container latch mechanism according to an embodiment of the invention
- Fig. 4 is a perspective view of the corner of the wafer container door illustrated in
- FIG. 3
- Fig. 5a is a plan view of a latch mechanism according to the invention with the latch in an unlatched position
- Fig. 5b depicts the latch mechanism of FIG. 5a in an intermediate position
- Fig. 5 c depicts the latch mechanism of FIG. 5 a in a fully latched position
- Fig. 6 is a perspective view of a portion of a latch arm illustrating an integral spring finger
- Fig. 7 is a side elevational view of a portion of an end of a latch arm illustrating an integral spring finger; and Fig. 8 is a perspective view of a biasing spring in accordance with an embodiment of the invention.
- a front opening wafer container 10 generally includes an enclosure portion 12, having a top 12a, a bottom 12b, a pair of opposing sides 12c, 12d, a back 12e and an open front 13, enclosing an open interior 14.
- One or more wafer supports 15 may be positioned inside enclosure portion 12, as depicted in Fig. la, for holding a plurality of wafers 15a in an axially aligned, generally parallel spaced apart arrangement.
- a kinematic coupling 15b may be provided on bottom 12b for interfacing with a piece of processing equipment 15c as is generally known in the art.
- Other configurations of front opening containers that may be suitable for use with the door latching mechanisms disclosed herein are generally disclosed in U.S.
- wafer container 10 further includes door 16 for sealingly closing open front 13.
- Door 16 generally includes chassis 18 having a front or exterior side 20, and a back or interior side 22.
- Front side 20 includes panel 26 covering latching mechanisms 28, which are operated through keyholes 30 defined in panel 26.
- Seal 38 is provided around the periphery 39 of the door 16 to sealingly engage with door frame 40 in enclosure portion 12.
- Latching mechanisms 28 of an embodiment of the invention generally include a rotatable cam 50, latching arms 52, latching members 54, and biasing spring 58.
- Latching mechanisms 28 are generally positioned in door enclosure 62, which is defined by surface 64 of chassis 18 and inner surface 65 of panel 26.
- Posts 66 are provided in door enclosure 62 extending between surface 64 and inner surface 65 of panel 26.
- Latch arms 52 have elongate slots 67 in which posts 66 are slidingly received so that latch arms 52 are laterally slidable in the X axis direction but are constrained from movement in the Y axis direction. Latch arms 52 are located in the Z axis direction principally by surface 64 of chassis 18 and inner surface 65 of panel 26.
- resilient members 67 maybe provided on latch arms 52, extending therefrom to engage surface 64 of chassis 18. Resilient members 67 may serve the dual function of dampening vibrations generated during operation of latching mechanism 26, and may also serve to more precisely locate latch arms 52 in the Z axis direction. It will be appreciated that resilient members 67 may be integrally formed as one piece with latch arm 52 or may be separate components attached to latch arm 52.
- Cam 50 is rotatably mounted about axis a-a on post 68, which extends outwardly from surface 64 into latch enclosure 62.
- Latch arms 52 generally include a cam follower portion 69 at proximal end 70, which slidingly engages in elongate slot 76 in cam 50.
- Slot 76 is generally configured so that, as cam 50 is rotated and cam follower portion 69 slides in slot 76, latch arms 52 slide laterally inward or outward relative to cam 50 depending on the direction of rotation of cam 50. It will be appreciated that in alternative embodiments, a groove or other structure that does not extend all the way though cam 50 may be provided in place of slot 76 with the same or similar effect.
- Latching members 54 are provided at distal end 72 of latch arms 52.
- latching member 54 In operation, these latching members 54 are extended and retracted by latch arms 52 so as to engage latch receiver recesses 42 in door frame 40 in order to secure door 16 in place on enclosure portion 12.
- latching member 54 may include a pivoting assembly. Latch mechanisms with such pivoting members are disclosed in U.S. Pat. Nos. 5,628,683 and 6,000,732, each of which assigned to the owner of the instant invention and hereby fully incorporated herein by reference. Such pivoting latches enable the latching member 54 to extend first out of the door enclosure in the "Y" direction, and then move in the "Z” direction, away from the container portion to pull the door into the door frame and secure the seal with the door frame. This motion is generally described in U.S. Pat. No. 4,995,430, Sealable Transportable Container Having Improved Latch Mechanism, which has a common assignee as the instant application, and which is also fully incorporated herein by reference.
- Biasing spring 80 generally includes a main portion 81 and secondary portion 90.
- Bushings 84, 86 are located at each end of main portion 81.
- Bushing 84 is rotatably coupled on post 87, which extends from cam 50, while bushing 86 is rotatably coupled with post 88, which extends from surface 64 of chassis 18.
- main portion 81 functions to bias cam 50, and accordingly, latching mechanisms 28, toward first and second favored positions corresponding to latched and unlatched conditions, as described in more detail hereinbelow and in copending U.S. Patent Application No. 10/318,374 entitled WAFER CARRIER DOOR AND SPRING BIASED LATCHING MECHANISM, commonly owned by the owners of the present invention and hereby fully incorporated herein by reference.
- secondary portion 90 of biasing spring 80 is attached to, or is integrally formed in one piece with main portion 81 at bushing 86.
- Secondary portion 90 is resilient and may have a lower spring constant relative to main portion 81, due to a 30% to 90% smaller cross-section.
- Secondary portion 90 has a post 92 at distal end 94, which is received in an aperture 96 provided in a post 98 extending from surface 64 of chassis 18.
- secondary portion provides a dampening effect for vibrations in main portion 81 of spring 80, that may result during shifting of latching mechanism 26 between the first and second favored positions.
- cam 50 and biasing spring 80 may be made from electrically conductive material, such as carbon filled thermoplastic.
- Secondary portion 90 may be electrically conductively connected with a conductive wafer cushion on door 16 as described above.
- slot 76 is provided with a pair of dampening springs 100 extending inwardly proximate each end 102, 104.
- Springs 100 are preferably integrally molded in one piece with cam 50, but may also be separate structures. In operation, as cam 50 is rotated and cam follower 69 approaches either end 102, 104, spring 100 first engages and begins to slide on cam follower 69. As cam follower 69 moves closer to the end 102, 104, spring 100 is compressed outward, and exerts an increasing amount of bias on cam follower 69, thereby increasing friction.
- cam follower 69 This increasing friction tends to decelerate cam follower 69 in a controlled fashion as it moves further toward ends 102, 104, and operating to minimize transfer of te shock forces and vibration at the end of travel.
- curved end 106 may be provided on each spring 100, conformingly shaped with cam follower 69 so as to provide a detent for holding the mechanism at a favored position when cam followed 69 is positioned at either end 102, 104. It will, of course be appreciated that in other embodiments springs 100 may be provided only at end 102 or only at end 104 of slot 76, if it is desired to provide deceleration and dampening at only one limit of mechanism travel.
- latching mechanism 26 is depicted generally in the sequence of Figs. 5a, 5b and 5c.
- spring 80 In the latched, or first favored position as depicted in Fig. 5c, spring 80 is past center and is biasing cam 50 in the clockwise direction.
- spring 80 In intermediate position 5b, spring 80 is generally on center and is not biasing cam 50 in either the clockwise or counterclockwise directions.
- Fig. 5a corresponding to the unlatched or second favored position, spring 80 is past center in the opposite direction and is biasing cam 50 in the counterclockwise direction.
- main portion 81 of biasing spring 80 provides velocity control to the moving parts of latch mechanism 26, which secondary portion 90 of biasing spring 80 dampens vibrations generated as the mechanism reaches the limits of travel.
- thermoplastic e.g., polyethylene terephthalate
- PEEK polyetheretherketone
- PEI polyetherimide
- PEC polycarbonate
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Packaging Frangible Articles (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Closures For Containers (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006539704A JP4724667B2 (en) | 2003-11-07 | 2004-11-08 | Wafer container and door with vibration damping mechanism |
EP04810520A EP1690020A2 (en) | 2003-11-07 | 2004-11-08 | Wafer container and door with vibration dampening latching mechanism |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US51844203P | 2003-11-07 | 2003-11-07 | |
US60/518,442 | 2003-11-07 | ||
US10/982,402 US7182203B2 (en) | 2003-11-07 | 2004-11-05 | Wafer container and door with vibration dampening latching mechanism |
US10/982,402 | 2004-11-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2005047726A2 true WO2005047726A2 (en) | 2005-05-26 |
WO2005047726A3 WO2005047726A3 (en) | 2007-07-12 |
Family
ID=34594909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2004/037162 WO2005047726A2 (en) | 2003-11-07 | 2004-11-08 | Wafer container and door with vibration dampening latching mechanism |
Country Status (5)
Country | Link |
---|---|
US (2) | US7182203B2 (en) |
EP (1) | EP1690020A2 (en) |
JP (1) | JP4724667B2 (en) |
KR (1) | KR100854194B1 (en) |
WO (1) | WO2005047726A2 (en) |
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EP1411006B1 (en) * | 2001-07-23 | 2011-07-20 | Miraial Co., Ltd. | Cover body for sheet supporting container and sheet supporting container |
KR100927923B1 (en) * | 2001-11-27 | 2009-11-19 | 엔테그리스, 아이엔씨. | Front open wafer carrier with ground path implemented by the door |
TWI317339B (en) * | 2006-12-22 | 2009-11-21 | Ind Tech Res Inst | A latch mechanism of clean container |
KR20150023941A (en) * | 2008-01-13 | 2015-03-05 | 엔테그리스, 아이엔씨. | Methods and apparatuses for large diameter wafer handling |
TWI341816B (en) * | 2008-08-14 | 2011-05-11 | Gudeng Prec Industral Co Ltd | A wafer container having the latch and inflatable seal element |
TWI358379B (en) * | 2008-08-14 | 2012-02-21 | Gudeng Prec Industral Co Ltd | A wafer container with at least one latch |
US8276758B2 (en) * | 2008-08-14 | 2012-10-02 | Gudeng Precision Industrial Co, Ltd | Wafer container with at least one oval latch |
US7909166B2 (en) * | 2008-08-14 | 2011-03-22 | Gudeng Precision Industrial Co, Ltd | Front opening unified pod with latch structure |
TW201010916A (en) * | 2008-09-12 | 2010-03-16 | Gudeng Prec Industral Co Ltd | Wafer container with roller |
TWI485796B (en) * | 2008-11-21 | 2015-05-21 | Gudeng Prec Industral Co Ltd | A thin-plate container |
KR101049716B1 (en) * | 2008-12-02 | 2011-07-19 | (주)상아프론테크 | Latch to open and close the cover |
TWI363030B (en) * | 2009-07-10 | 2012-05-01 | Gudeng Prec Industral Co Ltd | Wafer container with top flange structure |
JP2011100983A (en) * | 2009-10-07 | 2011-05-19 | Shin Etsu Polymer Co Ltd | Wafer storage container |
TW201138002A (en) * | 2010-04-29 | 2011-11-01 | Gudeng Prec Industral Co Ltd | A wafer container with oval latch |
TWI394695B (en) | 2010-04-29 | 2013-05-01 | Gudeng Prec Industral Co Ltd | A wafer container with oval latch |
US8602239B2 (en) * | 2010-08-16 | 2013-12-10 | Robert L. Thomas, JR. | Decorative paper plate storage units |
US20130299384A1 (en) * | 2010-10-19 | 2013-11-14 | Entegris, Inc. | Front opening wafer container with wafer cushion |
US9673075B2 (en) | 2010-10-20 | 2017-06-06 | Entegris, Inc. | Wafer container with door guide and seal |
WO2012054630A2 (en) * | 2010-10-20 | 2012-04-26 | Entegris, Inc. | Front opening wafer container with door deflection minimization |
JP5686699B2 (en) * | 2011-08-08 | 2015-03-18 | 信越ポリマー株式会社 | Lid and substrate storage container |
TWI473752B (en) * | 2011-12-13 | 2015-02-21 | Gudeng Prec Ind Co Ltd | Latch structure of a large-sized front opening unified wafer pod |
TWM434763U (en) * | 2012-03-22 | 2012-08-01 | Gudeng Prec Ind Co Ltd | Containers for packaging semiconductor components |
WO2013166512A1 (en) | 2012-05-04 | 2013-11-07 | Entergris, Inc. | Replaceable wafer support backstop |
WO2013166515A1 (en) | 2012-05-04 | 2013-11-07 | Entegris, Inc. | Wafer container with door mounted shipping cushions |
WO2014084115A1 (en) * | 2012-11-28 | 2014-06-05 | 信越ポリマー株式会社 | Substrate housing container |
CN105993067B (en) * | 2013-04-26 | 2019-04-16 | 恩特格里斯公司 | The chip container with lockable mechanism for major diameter chip |
WO2015025410A1 (en) * | 2013-08-22 | 2015-02-26 | ミライアル株式会社 | Substrate storing container |
FR3026725B1 (en) * | 2014-10-03 | 2016-10-28 | Chanel Parfums Beaute | COSMETIC POT COMPRISING A COVER WITH TILT-JOINING ELEMENT |
CN108475651B (en) * | 2015-10-01 | 2022-10-11 | 恩特格里斯公司 | Substrate container with improved substrate holder and door latch assist mechanism |
US10772982B2 (en) * | 2016-06-15 | 2020-09-15 | Globus Medical, Inc. | Rigid sterilization container with replaceable filter assemblies |
US20230167661A1 (en) * | 2021-11-26 | 2023-06-01 | Embraer S.A. | Universal latch assembly to allow selective latch handle orientations |
TWI835461B (en) * | 2022-05-27 | 2024-03-11 | 家登精密工業股份有限公司 | Door locking mechanism and semiconductor container using the same |
TWI822366B (en) * | 2022-09-28 | 2023-11-11 | 家登精密工業股份有限公司 | Latching guide structure |
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-
2004
- 2004-11-05 US US10/982,402 patent/US7182203B2/en active Active
- 2004-11-08 JP JP2006539704A patent/JP4724667B2/en not_active Expired - Fee Related
- 2004-11-08 KR KR1020067008912A patent/KR100854194B1/en active IP Right Grant
- 2004-11-08 WO PCT/US2004/037162 patent/WO2005047726A2/en active Search and Examination
- 2004-11-08 EP EP04810520A patent/EP1690020A2/en not_active Withdrawn
-
2007
- 2007-01-10 US US11/651,779 patent/US7677393B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030132232A1 (en) * | 2002-01-15 | 2003-07-17 | Entegris, Inc. | Wafer carrier door and spring biased latching mechanism |
Also Published As
Publication number | Publication date |
---|---|
JP4724667B2 (en) | 2011-07-13 |
US7182203B2 (en) | 2007-02-27 |
US7677393B2 (en) | 2010-03-16 |
US20050115867A1 (en) | 2005-06-02 |
KR100854194B1 (en) | 2008-08-26 |
JP2007531984A (en) | 2007-11-08 |
US20070108095A1 (en) | 2007-05-17 |
KR20060088901A (en) | 2006-08-07 |
WO2005047726A3 (en) | 2007-07-12 |
EP1690020A2 (en) | 2006-08-16 |
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