US20040099568A1 - Hard tray for carrying socket connectors - Google Patents
Hard tray for carrying socket connectors Download PDFInfo
- Publication number
- US20040099568A1 US20040099568A1 US10/661,735 US66173503A US2004099568A1 US 20040099568 A1 US20040099568 A1 US 20040099568A1 US 66173503 A US66173503 A US 66173503A US 2004099568 A1 US2004099568 A1 US 2004099568A1
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- US
- United States
- Prior art keywords
- hard
- hard tray
- tray
- bottom portion
- pick
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- 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
- B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
- B65D71/70—Trays provided with projections or recesses in order to assemble multiple articles, e.g. intermediate elements for stacking
-
- 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
- B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
- B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
- B65D21/0209—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together one-upon-the-other in the upright or upside-down position
-
- 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
- B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
- B65D2585/68—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form
- B65D2585/86—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form for electrical components
-
- 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
Definitions
- the present invention relates to stackable hard trays used for storing and transporting goods, and more particularly to anti-suction means incorporated in a hard tray that stores integrated circuit (IC) sockets such as central processing unit (CPU) sockets each having a pick up cap mounted thereon.
- IC integrated circuit
- CPU central processing unit
- Hard trays are commonly used for carrying electrical socket connectors such as ball grid array (BGA) sockets.
- Automatic assembly lines are widely used in the mass production of connectors, and the hard trays are adapted to be easily handled and used on assembly lines.
- FIGS. 5 and 6 show typical hard trays 5 for storing and transporting a plurality of BGA sockets 7 each having a pick up cap 6 mounted thereon.
- Four slots 70 are symmetrically defined in each BGA socket 7 .
- Each pick up cap 6 has a rectangular base 60 .
- a plane top surface 600 is formed on a top of the base 60 , for facilitating engagement by a vacuum nozzle of an automatic vacuum suction device (not shown).
- Four protrusion blocks 62 extend from a bottom of the base 60 , for respectively engaging in the slots 70 of a corresponding BGA socket 7 .
- the pick up cap 6 is thereby mounted on the BGA socket 7 .
- a rectangular array of openings 50 is defined in each hard tray 5 , the openings receiving corresponding BGA sockets 7 therein.
- Two pairs of extending portions 54 are formed in each opening 50 , for supporting a corresponding BGA socket 7 .
- a bottom portion 52 is defined in the opening 50 so as to prevent the hard tray 5 from generating thermal and stress warpage. Moreover, the bottom portion 52 protects soldering balls of the BGA socket 7 from being damaged or contaminated.
- a relatively smooth surface 520 is formed on a bottom of the bottom portion 52 .
- an automatic carrier tool grasps a topmost hard tray 5 in stack of the hard trays 5 , and lifts the topmost hard tray 5 up and away from the stack.
- the automatic carrier tool grasps the topmost hard tray 5 , it generates a downward pressing force thereon.
- This pressing force is liable to enable the bottom surfaces 520 of the bottom portions 52 of the topmost hard tray 5 press on the top surfaces 600 of the corresponding pick up caps 6 mounted on the BGA socket 7 of the adjacent hard tray 5 therebelow.
- the top surface 600 and each corresponding bottom surface 520 being relatively smooth, the top surface 600 and the bottom surface 520 are prone to engage with each other.
- the pick up caps 6 and the corresponding BGA sockets 7 of the adjacent hard tray 5 are liable to be sucked up and displaced or even taken away.
- the pick up caps 6 and the BGA sockets 7 taken away fall and are easily damaged. Even if the pick up caps 6 and the BGA sockets 7 are not damaged, they need to be put back into the corresponding openings 50 of the adjacent lower hard tray 5 . This results in inconvenience, delays, inefficiency, and increased costs.
- a main object of the present invention is to provide a hard tray for carrying socket connectors each having a pick up cap mounted thereon, wherein the hard tray can be safely and efficiently stacked and carried.
- the present invention apply stackable hard trays for carrying socket connectors each having a pick up cap mounted thereon.
- the pick up cap has a rectangular base with a plane top surface.
- Each hard tray has a rectangular bracket body.
- a rectangular array of openings is defined in the bracket body, for receiving corresponding socket connectors therein.
- First and second extending portions are formed in each opening, for supporting a corresponding socket connector therein.
- a bottom portion is formed in the opening. The bottom portion has a bottom surface rough enough to avoid sucking with a corresponding top surface of the pick up cap.
- FIG. 1 is an isometric view of a hard tray according to the present invention, together with a BGA socket ready to be received in a corresponding opening of the hard tray, and a pick up cap ready to be mounted on the BGA socket;
- FIG. 2 is an isometric view of a plurality of the hard trays of FIG. 1 stacked together, each hard tray being filled with BGA sockets each having a corresponding pick up cap mounted thereon;
- FIG. 3 is a schematic, cross-sectional view of part of two adjacent hard trays and corresponding BGA sockets and pick up caps of FIG. 2, taken along line III-III thereof;
- FIG. 4 is an enlarged view of a circled portion IV of FIG. 3;
- FIG. 5 is an isometric view of a stack of conventional hard trays, each hard tray being filled with BGA sockets each having a corresponding pick up cap mounted thereon, showing one of the BGA sockets ready to be received in a corresponding opening of a topmost hard tray, and a pick up cap ready to be mounted on said BGA socket;
- FIG. 6 is a schematic, cross-sectional view of part of two adjacent hard trays and corresponding BGA sockets and pick up caps of FIG. 5, taken along line VI-VI thereof;
- FIG. 7 is an enlarged view of a circled portion VII of FIG. 6.
- a hard tray 2 is for carrying a plurality of IC sockets such as BGA sockets 4 .
- a pick up cap 3 is mounted on each BGA socket 4 , for facilitating carriage of the BGA socket 4 by an automatic vacuum suction device once the hard tray 2 has been delivered to a production line.
- the pick up cap 3 has a rectangular base 30 .
- a plane top surface 300 is formed on a top of the base 30 , for facilitating engagement by a vacuum nozzle of the vacuum suction device.
- Four protrusion blocks 32 depend from a bottom of the base 3 .
- Four slots 40 are defined in the BGA socket 4 , for engagingly receiving the protrusion blocks 32 of the pick up cap 3 .
- the pick up cap 3 is mounted on the BGA socket 4 .
- the hard tray 2 has a rectangular bracket body 23 .
- a plurality of parallel first spacers 20 is transversely formed on the bracket body 23 .
- a plurality of parallel second spacers 22 is longitudinally formed on the bracket body 23 .
- the first and second spacers 20 , 22 cooperatively define a matrix of rectangular openings 24 arranged in rows and columns, the openings 24 receiving corresponding BGA sockets 4 therein.
- a pair of ear portions 25 extends outwardly from opposite ends of the bracket body 23 , for facilitating carriage of the hard tray 2 by an automatic carrier tool (not shown).
- Four side walls 27 are formed around the bracket body 23 , and four edges 28 are coplanarly defined on the side walls 27 respectively.
- the side walls 27 of any one hard tray 2 in a stack of the hard trays 2 stand on the corresponding edges 28 of an adjacent hard tray 2 below said one hard tray 2 in the stack (see FIG. 2).
- Each opening 24 is defined between two adjacent two first spacers 20 and two adjacent second spacers 22 , and dimensioned to accommodate the corresponding BGA socket 4 therein.
- a pair of first extending portions 200 extends from insides of the first spacers 20 into the opening 24 .
- Each first extending portion 200 has a top surface 202 .
- a pair of second extending portions 220 extends from insides of the second spacers 22 into the opening 24 .
- Each second extending portion 220 has a top surface 222 coplanar with the top surfaces 202 of the first extending portions 200 .
- the top surfaces 202 , 222 of the first and second extending portions 200 , 222 cooperatively support the BGA socket 4 in the opening 24 .
- the bracket body 23 defines a bottom portion 26 in each opening 24 .
- the top surfaces 202 , 222 of the first and second extending portions 200 , 222 are higher than a top of the bottom portion 26 .
- soldering balls not shown
- Certain of the openings 24 at a middle of the bracket body 23 are fully closed off by the corresponding bottom portions 26 .
- the remaining openings 24 at respective opposite ends of the bracket body 23 are only mostly closed off by the corresponding bottom portions 26 . With this structure, thermal warpage of the bracket body 23 is effectively reduced.
- each bottom portion 26 of the hard tray 2 has a bottom surface 260 .
- the bottom surface 260 is roughened, so that the bottom portion 26 avoids sucking the top surface 300 of the pick up cap 3 of a corresponding BGA socket 4 received in an adjacent hard tray 2 below said hard tray 2 .
- the pick up caps 3 are mounted on the corresponding BGA sockets 4 , with the protrusion blocks 32 respectively engaging in the corresponding slots 40 .
- the BGA sockets 4 are placed in the corresponding openings 24 of each hard tray 2 , with the top surfaces 202 , 222 of the first and second extending portions 200 , 220 supporting the BGA sockets 4 .
- Each hard tray 2 thus filled with BGA sockets 4 is placed on top of another hard tray 2 already filled with BGA sockets 4 .
- the upper edges 28 of each hard tray 2 respectively support the side walls 27 of an adjacent hard tray 2 standing thereon. By this means, a plurality of the hard trays 2 is stacked together one on the other.
- a gap between the respective bottom portions 26 of two adjacent hard trays 2 is relatively narrow, so that more hard trays 2 can be accommodated within a given height.
- the bottom surfaces 260 of the bottom portions 26 of each hard tray 2 are relatively close to the top surfaces 300 of the pick up caps 3 mounted on the BGA sockets of an adjacent hard tray 2 therebelow.
- the automatic carrier tool grasps a topmost hard tray 2 in a stack of the hard trays 2 , and lifts the topmost hard tray 2 up and away from the stack.
- the automatic carrier tool grasps the topmost hard tray 2 , it generates a downward pressing force thereon.
- This pressing force presses the bottom surfaces 260 of the bottom portions 26 of the topmost hard tray 2 onto the corresponding top surfaces 300 of the pick up caps 3 of the adjacent hard tray 2 below the topmost hard tray 2 .
- the bottom surfaces 260 are roughened, the top surfaces 300 are prevented from being sucked up with the bottom surfaces 260 .
- the pick up caps 3 and the BGA sockets 4 of the adjacent hard tray 2 remain in their original positions. As a result, the hard trays 2 are safely and efficiently handled by the automatic carrier tool.
Abstract
A hard tray (2) is for carrying socket connectors (4) each having a pick up cap (3) mounted thereon. The pick up cap has a rectangular base (30) with a plane top surface (300). The hard tray has a generally rectangular bracket body (23). A rectangular array of openings (24) is defined in the bracket body, for receiving corresponding socket connectors therein. First and second extending portions (200, 220) are formed in each opening, for supporting a corresponding socket connector. A bottom portion (26) is defined in the opening and has a bottom surface (260) rough enough to avoid sucking with the top surface of a corresponding pick up cap. Therefore, in carriage, the bottom surfaces of the bottom portions of an upper hard tray do not suck the top surfaces of the pick up caps mounted on the socket connectors of an adjacent lower hard tray.
Description
- 1. Field of the Invention
- The present invention relates to stackable hard trays used for storing and transporting goods, and more particularly to anti-suction means incorporated in a hard tray that stores integrated circuit (IC) sockets such as central processing unit (CPU) sockets each having a pick up cap mounted thereon.
- 2. Description of the Prior Art
- Hard trays are commonly used for carrying electrical socket connectors such as ball grid array (BGA) sockets. Automatic assembly lines are widely used in the mass production of connectors, and the hard trays are adapted to be easily handled and used on assembly lines.
- FIGS. 5 and 6 show typical
hard trays 5 for storing and transporting a plurality ofBGA sockets 7 each having a pick upcap 6 mounted thereon. Fourslots 70 are symmetrically defined in eachBGA socket 7. Each pick upcap 6 has arectangular base 60. Aplane top surface 600 is formed on a top of thebase 60, for facilitating engagement by a vacuum nozzle of an automatic vacuum suction device (not shown). Fourprotrusion blocks 62 extend from a bottom of thebase 60, for respectively engaging in theslots 70 of acorresponding BGA socket 7. The pick upcap 6 is thereby mounted on theBGA socket 7. - A rectangular array of
openings 50 is defined in eachhard tray 5, the openings receivingcorresponding BGA sockets 7 therein. Two pairs of extendingportions 54 are formed in eachopening 50, for supporting acorresponding BGA socket 7. Abottom portion 52 is defined in theopening 50 so as to prevent thehard tray 5 from generating thermal and stress warpage. Moreover, thebottom portion 52 protects soldering balls of theBGA socket 7 from being damaged or contaminated. A relativelysmooth surface 520 is formed on a bottom of thebottom portion 52. - In storage, a plurality of
hard trays 5 is stacked together as shown in FIG. 5, with a small gap betweenrespective bottom portions 52 of two adjacenthard trays 5. Consequently, thebottom surfaces 520 of thebottom portions 52 of eachhard tray 5 are relatively close to thetop surfaces 600 of the pick upcaps 6 mounted on theBGA socket 7 of an adjacenthard tray 5 therebelow. - In handling of each
hard tray 5, an automatic carrier tool (not shown) grasps a topmosthard tray 5 in stack of thehard trays 5, and lifts the topmosthard tray 5 up and away from the stack. When the automatic carrier tool grasps the topmosthard tray 5, it generates a downward pressing force thereon. This pressing force is liable to enable thebottom surfaces 520 of thebottom portions 52 of the topmosthard tray 5 press on thetop surfaces 600 of the corresponding pick upcaps 6 mounted on theBGA socket 7 of the adjacenthard tray 5 therebelow. With eachtop surface 600 and eachcorresponding bottom surface 520 being relatively smooth, thetop surface 600 and thebottom surface 520 are prone to engage with each other. During carriage of the topmosthard tray 5, the pick upcaps 6 and thecorresponding BGA sockets 7 of the adjacenthard tray 5 are liable to be sucked up and displaced or even taken away. The pick upcaps 6 and theBGA sockets 7 taken away fall and are easily damaged. Even if the pick upcaps 6 and theBGA sockets 7 are not damaged, they need to be put back into thecorresponding openings 50 of the adjacent lowerhard tray 5. This results in inconvenience, delays, inefficiency, and increased costs. - What is needed is a new, improved hard tray for carrying socket connectors which overcomes the above-mentioned problems.
- Accordingly, a main object of the present invention is to provide a hard tray for carrying socket connectors each having a pick up cap mounted thereon, wherein the hard tray can be safely and efficiently stacked and carried.
- To fulfill the above-mentioned object, the present invention apply stackable hard trays for carrying socket connectors each having a pick up cap mounted thereon. The pick up cap has a rectangular base with a plane top surface. Each hard tray has a rectangular bracket body. A rectangular array of openings is defined in the bracket body, for receiving corresponding socket connectors therein. First and second extending portions are formed in each opening, for supporting a corresponding socket connector therein. A bottom portion is formed in the opening. The bottom portion has a bottom surface rough enough to avoid sucking with a corresponding top surface of the pick up cap. Therefore, in carriage, the bottom surfaces of the bottom portions of one upper hard tray do not suck with the top surfaces of the corresponding pick up caps mounted on the socket connectors received in one adjacent lower hard tray. As a result, the hard trays are safely and efficiently stacked and carried
- Other objects, advantages and novel features of the present invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings, in which:
- FIG. 1 is an isometric view of a hard tray according to the present invention, together with a BGA socket ready to be received in a corresponding opening of the hard tray, and a pick up cap ready to be mounted on the BGA socket;
- FIG. 2 is an isometric view of a plurality of the hard trays of FIG. 1 stacked together, each hard tray being filled with BGA sockets each having a corresponding pick up cap mounted thereon;
- FIG. 3 is a schematic, cross-sectional view of part of two adjacent hard trays and corresponding BGA sockets and pick up caps of FIG. 2, taken along line III-III thereof;
- FIG. 4 is an enlarged view of a circled portion IV of FIG. 3;
- FIG. 5 is an isometric view of a stack of conventional hard trays, each hard tray being filled with BGA sockets each having a corresponding pick up cap mounted thereon, showing one of the BGA sockets ready to be received in a corresponding opening of a topmost hard tray, and a pick up cap ready to be mounted on said BGA socket;
- FIG. 6 is a schematic, cross-sectional view of part of two adjacent hard trays and corresponding BGA sockets and pick up caps of FIG. 5, taken along line VI-VI thereof; and
- FIG. 7 is an enlarged view of a circled portion VII of FIG. 6.
- Reference will now be made to the drawings to describe the present invention in greater detail.
- Referring first to FIG. 1, a
hard tray 2 according to a preferred embodiment of the present invention is for carrying a plurality of IC sockets such asBGA sockets 4. A pick upcap 3 is mounted on eachBGA socket 4, for facilitating carriage of the BGAsocket 4 by an automatic vacuum suction device once thehard tray 2 has been delivered to a production line. Thepick up cap 3 has arectangular base 30. Aplane top surface 300 is formed on a top of thebase 30, for facilitating engagement by a vacuum nozzle of the vacuum suction device. Four protrusion blocks 32 depend from a bottom of thebase 3. Fourslots 40 are defined in theBGA socket 4, for engagingly receiving theprotrusion blocks 32 of the pick upcap 3. Thus the pick upcap 3 is mounted on theBGA socket 4. - The
hard tray 2 has arectangular bracket body 23. A plurality of parallelfirst spacers 20 is transversely formed on thebracket body 23. A plurality of parallelsecond spacers 22 is longitudinally formed on thebracket body 23. The first andsecond spacers rectangular openings 24 arranged in rows and columns, theopenings 24 receivingcorresponding BGA sockets 4 therein. A pair ofear portions 25 extends outwardly from opposite ends of thebracket body 23, for facilitating carriage of thehard tray 2 by an automatic carrier tool (not shown). Fourside walls 27 are formed around thebracket body 23, and fouredges 28 are coplanarly defined on theside walls 27 respectively. Theside walls 27 of any onehard tray 2 in a stack of thehard trays 2 stand on thecorresponding edges 28 of an adjacenthard tray 2 below said onehard tray 2 in the stack (see FIG. 2). - Each
opening 24 is defined between two adjacent twofirst spacers 20 and two adjacentsecond spacers 22, and dimensioned to accommodate thecorresponding BGA socket 4 therein. A pair of first extendingportions 200 extends from insides of thefirst spacers 20 into theopening 24. Each first extendingportion 200 has atop surface 202. A pair of second extendingportions 220 extends from insides of thesecond spacers 22 into theopening 24. Each second extendingportion 220 has atop surface 222 coplanar with thetop surfaces 202 of the first extendingportions 200. The top surfaces 202, 222 of the first and second extendingportions BGA socket 4 in theopening 24. - The
bracket body 23 defines abottom portion 26 in eachopening 24. The top surfaces 202, 222 of the first and second extendingportions bottom portion 26. Thus, when aBGA socket 4 is received in theopening 24, the top of thebottom portion 26 does not touch soldering balls (not shown) of an underside of theBGA socket 4. Certain of theopenings 24 at a middle of thebracket body 23 are fully closed off by the correspondingbottom portions 26. The remainingopenings 24 at respective opposite ends of thebracket body 23 are only mostly closed off by the correspondingbottom portions 26. With this structure, thermal warpage of thebracket body 23 is effectively reduced. - Referring also to FIG. 4, each
bottom portion 26 of thehard tray 2 has abottom surface 260. Thebottom surface 260 is roughened, so that thebottom portion 26 avoids sucking thetop surface 300 of the pick upcap 3 of acorresponding BGA socket 4 received in an adjacenthard tray 2 below saidhard tray 2. - Referring to FIG. 2, in storage, the pick up
caps 3 are mounted on thecorresponding BGA sockets 4, with the protrusion blocks 32 respectively engaging in the correspondingslots 40. TheBGA sockets 4 are placed in the correspondingopenings 24 of eachhard tray 2, with thetop surfaces portions BGA sockets 4. Eachhard tray 2 thus filled withBGA sockets 4 is placed on top of anotherhard tray 2 already filled withBGA sockets 4. The upper edges 28 of eachhard tray 2 respectively support theside walls 27 of an adjacenthard tray 2 standing thereon. By this means, a plurality of thehard trays 2 is stacked together one on the other. - In order to efficiently create a stack of the
hard trays 2, a gap between therespective bottom portions 26 of two adjacenthard trays 2 is relatively narrow, so that morehard trays 2 can be accommodated within a given height. As a result, the bottom surfaces 260 of thebottom portions 26 of eachhard tray 2 are relatively close to thetop surfaces 300 of the pick upcaps 3 mounted on the BGA sockets of an adjacenthard tray 2 therebelow. - With this structure, in handling of each
hard tray 2, the automatic carrier tool (not shown) grasps a topmosthard tray 2 in a stack of thehard trays 2, and lifts the topmosthard tray 2 up and away from the stack. When the automatic carrier tool grasps the topmosthard tray 2, it generates a downward pressing force thereon. This pressing force presses the bottom surfaces 260 of thebottom portions 26 of the topmosthard tray 2 onto the correspondingtop surfaces 300 of the pick upcaps 3 of the adjacenthard tray 2 below the topmosthard tray 2. Nevertheless, because the bottom surfaces 260 are roughened, thetop surfaces 300 are prevented from being sucked up with the bottom surfaces 260. Thus, when the topmosthard tray 2 is lifted away from the stack, the pick upcaps 3 and theBGA sockets 4 of the adjacenthard tray 2 remain in their original positions. As a result, thehard trays 2 are safely and efficiently handled by the automatic carrier tool. - Although the present invention has been described with reference to the particular embodiment, it is not to be construed as being limited thereto. Various alterations and modifications can be made to the embodiment without in any way departing from the scope or spirit of the present invention as defined in the appended claims. For example, any means provided on the
bottom surface 260 or/and thebottom portions 26, either projections or recesses/through openings to prevent suction between thebottom surface 260 and the pick upcap 3 of the neighboring connector thereunder is intended to be within the scope of the claims.
Claims (12)
1. A hard tray for socket connectors each having a pick up cap mounted thereon, the pick up cap defining a top surface, the hard tray comprising:
a bracket body having a plurality of first spacers and a plurality of second spacers perpendicular to the first spacers, two adjacent first spacers and two adjacent second spacers cooperatively defining an opening for receiving a corresponding socket connector therein;
wherein the bracket body defines a bottom portion in the opening, the bottom portion defines a bottom surface rough enough so as to prevent the bottom surface from sucking a corresponding top surface of the pick up cap.
2. The hard tray of claim 1 , wherein at least one of the adjacent first spacers has a first extending portion extending into the opening.
3. The hard tray of claim 2 , wherein the first extending portion defines a top surface higher than the bottom portion.
4. The hard tray of claim 3 , wherein at least one of the adjacent second spacers has a second extending portion extending into the opening.
5. The hard tray of claim 4 , wherein the second extending portion defines a top surface coplanar with the top surface of the first extending portion.
6. The hard tray of claim 1 , wherein the openings at symmetrically opposite ends of the bracket body are partly closed by corresponding bottom portions.
7. The hard tray of claim 6 , wherein the remaining openings of the bracket body are fully closed by corresponding bottom portions.
8. The hard tray of claim 7 , wherein the bracket body defines a pair of ear portions at opposite ends thereof.
9. In combination,
a plurality of hard trays closely stacked with one another, each of said hard trays defining a plurality of upward openings; and
a plurality of electronic parts disposed in the corresponding openings, respectively, each of said electronic parts defining an upward top plane for suction,
the hard tray defining a bottom portion under each of said openings, said bottom portion closely facing downwardly toward the upward top plane of another electronic part disposed in the corresponding opening of another hard tray under said hard tray; wherein
a bottom surface of said bottom portion is not smoothly planar so as not to result in improper suction between the bottom portion and the upward top plane of said another electronic part when the upward top plane of said electronic part is suctioned by a nozzle for displacement of said electronic part.
10. The combination of claim 9 , wherein said bottom surface of said bottom portion is provided with a plurality of tiny protrusions to be in a rough form.
11. A hard tray for holding electronic parts equipped with a planar top surface for suction, comprising:
a bracket body having a plurality of spacers commonly defining a plurality of upward openings for holding said electronic parts therein; and
the bracket body defines a bottom portion under each of the opening, the bottom portion defines a bottom surface which is configured to be not smoothly planar but with either recesses or openings therein for preventing suction derived from a plane vs. plane structure between the bottom surface and the planar top surface of another electronic part located right below said bottom portion.
12. The hard tray of claim 11 , wherein said bottom surface is roughed to provide said recesses from a micro-viewpoint.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW091219123U TW560755U (en) | 2002-11-27 | 2002-11-27 | Hard tray for electrical connectors |
TW91219123 | 2002-11-27 |
Publications (1)
Publication Number | Publication Date |
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US20040099568A1 true US20040099568A1 (en) | 2004-05-27 |
Family
ID=32323197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/661,735 Abandoned US20040099568A1 (en) | 2002-11-27 | 2003-09-11 | Hard tray for carrying socket connectors |
Country Status (2)
Country | Link |
---|---|
US (1) | US20040099568A1 (en) |
TW (1) | TW560755U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130118124A1 (en) * | 2010-03-12 | 2013-05-16 | Illinois Tool Works, Inc. | Strippable hybrid tray system for electronic devices |
CN107877149A (en) * | 2017-11-28 | 2018-04-06 | 醴陵市绿源商贸有限公司 | A kind of material allocation case basket pallet and material allocation method and assemble method |
CN109733696A (en) * | 2018-12-27 | 2019-05-10 | 上海卡耐新能源有限公司 | A kind of Soft Roll lithium-ion electric core packaging structure, method and application method |
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2002
- 2002-11-27 TW TW091219123U patent/TW560755U/en not_active IP Right Cessation
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US4195193A (en) * | 1979-02-23 | 1980-03-25 | Amp Incorporated | Lead frame and chip carrier housing |
US4768427A (en) * | 1986-09-01 | 1988-09-06 | Meyer Manufacturing Company Limited | Cooking pans |
US5988385A (en) * | 1997-07-14 | 1999-11-23 | Stephens; John | Frying pan protector |
US6018918A (en) * | 1997-10-16 | 2000-02-01 | Composite Technologies Corporation | Wall panel with vapor barriers |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US20130118124A1 (en) * | 2010-03-12 | 2013-05-16 | Illinois Tool Works, Inc. | Strippable hybrid tray system for electronic devices |
US9889967B2 (en) * | 2010-03-12 | 2018-02-13 | Illinois Tool Works Inc. | Strippable hybrid tray system for electronic devices |
CN107877149A (en) * | 2017-11-28 | 2018-04-06 | 醴陵市绿源商贸有限公司 | A kind of material allocation case basket pallet and material allocation method and assemble method |
CN109733696A (en) * | 2018-12-27 | 2019-05-10 | 上海卡耐新能源有限公司 | A kind of Soft Roll lithium-ion electric core packaging structure, method and application method |
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