CN1591815A - Method and device for turning over IC chip - Google Patents
Method and device for turning over IC chip Download PDFInfo
- Publication number
- CN1591815A CN1591815A CN 200310123758 CN200310123758A CN1591815A CN 1591815 A CN1591815 A CN 1591815A CN 200310123758 CN200310123758 CN 200310123758 CN 200310123758 A CN200310123758 A CN 200310123758A CN 1591815 A CN1591815 A CN 1591815A
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- CN
- China
- Prior art keywords
- chip
- anchor clamps
- tipper
- hole
- end part
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- 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.)
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- Supply And Installment Of Electrical Components (AREA)
- Specific Conveyance Elements (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Die Bonding (AREA)
- Apparatuses And Processes For Manufacturing Resistors (AREA)
Abstract
The invention usually relates to an automatic machine, more concretely, relates to equipment and method for overturning integrated circuit (IC) and the like. The equipment for overturning integrate circuit (IC) includes: chip cramping apparatus, cramping apparatus rotating device which is mounted at fixed position and having chip cramping apparatus accepting dent; and device for contacting one chip into the dent per time; wherein the rotating device will be driven for rotating the chip cramping apparatus.
Description
Technical field
The present invention relates generally to a kind of automatic machinery, more particularly, relate to the equipment and the method for upset integrated circuit (IC) chip etc.
Background technology
Tipper is normally used in the IC chip manufacturing.The operation of the conventional machines of using is quite complicated.Because machine speed is consistent with output, tipper moves fast more, and the low more and productivity ratio of the cost of technology also increases.Solution of the present invention provides the speed of output faster of its manufacturing process for the semiconductor maker, particularly to the test and the encapsulation backend process of its product that need finish the work on many sides (that is, top, sidepiece, or bottom) of encapsulation.
Normally, the type of being worked belongs to mark, check and test, therefore the design of the present invention and tester and manufacturing are closely related but are not limited to this, wherein, semiconductor or other electronic device is encapsulated in it and is transferred into operation subsequently or checks and approves and be tested various characteristicses before the final products.These encapsulation are operated to allow working procedure (make, test or check) to be automatically performed.The industry from automation income a lot of, promote these programs to finish with the very high speed that the people can't obtain.One of required operation is packaged into a plurality of angles to allow finishing program in encapsulation for upset.Typically, encapsulation is reversed 180 degree and is performed with the permission program, and according to subsequently program, and it can be back to its normal orientation by upset again.
Machine according to prior art receives IC from placement head, and this placement head contains the nozzle that keeps IC releasedly, thereby the first arm that receives IC subsequently is sent to second arm upset IC with this IC.This program can be worked by specific speed well.In order to increase productivity ratio, always need to keep increasing the speed of these machines.But machine can not be worked after the certain speed, because described IC will act on the arm that flies out owing to launching.
Therefore, need a kind of tipper of under more speed, working.
Summary of the invention
A kind of embodiment is made of a plurality of unit of the tipper of the processing of carrying out object, and tipper is installed on the circumference of rotation circular platform.In corresponding platform circular arrangement, the rotation circular platform is converted angle and stops off and on when this platform is finished a complete rotation, stopped so that each tipper is transmitted in all station places that are mounted in proper order, finishes the work on object with permission.Except conveying work pieces to a plurality of workbench of circular, fashion, tipper has the ability that upset or rotating object enter the position that any side to the surface that exposes object makes progress, and works on the one side allowing.A plurality of angles place that this device caters in the surfaces of revolution of the embodiment of tipper finishes the work.
Object is placed, and this can finish by a kind of picking up with apparatus for placing with expecting, installs and remain on the position, hole of embodiment, and this object will be rotated or overturn again.Form hole, shape or other any suitable shape that it has the break-through groove of Accurate Shaping or is processed into object by suitable material.If the break-through groove is sandwiched between the two similar removable side plates inequality, side plate will cover the break-through groove fully when stretching out.On the contrary, when side plate inwardly shrank, the break-through groove was exposed.Side plate moves independently of each other, stretches out the substrate that is fit into as object but its motion is arranged so that base plate.Top board and base plate were switched convertibly when each hole was rotated.Top board will drop out the hole to prevent that object from working as lid when this object is rotated.In case rotation is finished, before be retracted to expose work object for the top board of base plate.Previous is the substrate of base plate maintenance extension to install as object of top board.Two plates have vacuum passage with when this plate during as substrate (when plate is in bottom position) apply pull of vacuum and keep object safely.By implementing cam follower on cam contour, or by other any method that can obtain the required motion of plate, plate is by outwards and inwardly motion.
Two plates are when extending the covering hole, and formation will allow the flange of container or anchor clamps to promote rotation.It is contemplated that by being capped flange that the hole forms fully to be positioned in the groove of container, thereby this container is rotated the object in the hole of overturning effectively again.In order to prevent the unnecessary of hole or accidental rotation, add locking device, after untiing, this locking device will only allow the hole to rotate freely along transverse axis.After the hole was successfully by the container rotation, this locking device was engaged again with the locking embodiment.
For increase fail safe, Cai locking device is designed to only release and permission rotation when the flange that is formed by top board and base plate successfully is engaged to container.Change to the locking effect of container effectively.The present invention can not rotate under other any state.
Enforcement of the present invention is with extremely important, particularly for the automation solution of rotating turret system is provided.A plurality of unit of the present invention is evenly distributed on the periphery of circular rotating platform, transmits and the object to be processed that overturns with high-speed transitions angle sequence when a plurality of stage of work.Similarly, when object by linear rather than during transmission with rotatablely moving, also can on linear system, use embodiment.
Above-mentioned target obtains by the method that a kind of integrated circuit (IC) chip of overturning is provided, and this method comprises following steps: chip is placed in the anchor clamps; Anchor clamps are inserted between the fork of fork member; And rotate described fork member to rotate described anchor clamps and chip.
The present invention also obtains by the anchor clamps in the equipment of the electronic circuit chip that is provided for overturning, these anchor clamps comprise the body member that is used for being installed on the index table, this body member has fore-end and rear end part, the axle of directed turntable when wherein rear end part is on being installed in turntable, body member has extension passage wherein, at least this channel part of rear end part that passes body member is for circular, and these anchor clamps comprise the chip holding element, this element has the front-end and back-end part, rear end part is included in the cylindrical bar that receives in the circular channel of body member, so that rotatable and slip in described passage, and fore-end has and contains the chip retaining hole that closes component, closure member is in the both sides of retaining hole and independent slidably with respect to the hole, so that the hole can be opened or closed on one or both sides, on the front of the back of chip holding element and body member, form locking device, so that this device prevents that the chip holding element is rotated when engaging, and provide elastic device to arrive bonding station to impel locking device.
In addition, the equipment of upset electronic circuit chip comprises a plurality of turntable anchor clamps on every side that are installed in as mentioned above, the rear end part of its chips holding element contacts with first stationary cam surface with at chip upturned position place release locking device, and the device relevant with or another hole closure member contacts with the sliding eye closure member to make position with second stationary cam surface.
Description of drawings
When the detailed description of the specific embodiment of the present invention that hereinafter proposes is considered by connection with figures, can obtain better understanding of the present invention better, wherein:
Fig. 1 is the perspective view of single tipper unit.
Fig. 2 is another perspective view of single tipper unit, and wherein top board is opened and exposes object and will be placed hole in this tipper.
Fig. 3 is the exploded view of tipper device.
Fig. 4 is in the position in the container so that rotate for the present invention.
Fig. 5 represents to be mounted to a plurality of tippers unit of rotating disk, with practical application the present invention in the production of integrated circuit.
Fig. 6 represents being connected between roller and the cam.
Embodiment
The present invention comprises the tipper unit basically with rotation IC, if this IC is in opposed orientation.IC can be rotated to be in preferred terminal upwards or terminal to upper/lower positions.Comprise the principal arm (30) that is installed on the hollow block (40) according to as shown in Figure 1 tipper device of the present invention.A described best end is V-arrangement.Vee-block (40) for good and all is fixed on the turntable.The shape of principal arm (30) is similar to tuning fork shown in Figure 3.The rod end of principal arm (30) is inserted the hollow parts of vee-block (40) by telescopically, preferably is positioned to be equipped with and will to allow the centre of the piece that rotatablely move or bearing or axle bush of principal arm.The openend of vee-block (40) has the step (41) with the vertical component (32) of assembling principal arm (30), is under an embargo so that rotate when principal arm (30) is embedded vee-block (40) fully.Realize insertion force by the spring-like device that is installed in the vee-block other end.The spring mode that will be inserted into vee-block by principal arm (30) is all the time implemented return mechanism (31), therefore forbids the rotation under other state.Can expect that also the return mechanism such as using coil, plate or other class spring element can be implemented to reach identical purpose.The end of principal arm (30) has and can so that principal arm (30) is outwards pushed return mechanism (31) from vee-block (40), discharge principal arm (30) to allow rotation from groove (41) by the roller (33) of any actuator operated of expecting.
With reference to Fig. 3, rectangular slab (24) has the break-through groove (27) that shape is fit to object to be processed, and an end of this plate will be assembled to the crotch of principal arm (30).This plate (24) is assembled between the horizontal flange (26) of the open slot (33) of fork and this plate (24).Principal arm (30) is installed by the rotating shaft along embodiment with rectangular slab (24).Rectangular slab (24) will contain two identical plates (21) in addition, play the effect of lid, be positioned at the inboard of the fork of principal arm (30), all cover rectangular slab (24).Comprise outside last group plate (25), be in the appropriate location to keep lid (21) and rectangular slab (24), this plate (25) is installed in the wall of fork of principal arm (30), and this plate has the flange (28) of open slot (33) of the fork of covering principal arm (30).Outside plate (25) have with allow lid (21) to principal arm (30) in or outside the preparation groove of slip.In order to control the sliding stroke of lid (21), propeller piece (22) is fixed on the inner of lid (21).This piece (22) visually is the projection from outside plate (25), and the width of these parts has the characteristic of being slidingly matched, and will slide along the groove on the outside plate (25).The stroke of lid (21) is subjected to the travel limits of piece (22) along the groove on the outside plate (25).
With reference to Fig. 1 and 2, piece (22) is played the variant motion or the operation of cam follower (23) effect along bearing or roller or other, and this cam follower is fixed on the top of piece (22).Fig. 1 represents the position of piece (22), and this position closing cap (21) is to whole rectangular slab.The stroke of lid (21) is finally controlled in the motion of piece (22), the length restriction and the control of the groove that moves through outside plate (25) of this piece.Fig. 2 represents the position of piece (22), and the groove (27) on the lid exposure rectangular slab (24) is opened in this position, and this groove forms object with the hole that is fit into.The operation of cam follower on propeller piece (22) obtains by the cam ring profile.Propeller piece (22) designs this cam contour with a kind of method, so that will only shrink or extend lid (21) with appropriate intervals (that is, extending to close hole and contraction to open hole to be processed) in rotary course.The bottom of lid (21) keeps closing.Guarantee the off-position of lid (21) in a kind of mode that will always under other condition, impel piece to extend lid (21) by the helical spring (not shown) of twining propeller piece (22).
In Fig. 2, can see vacuum attraction hole (20).The effect that the more firm maintenance of object in the hole is provided is played in this vacuum attraction hole.The vacuum attraction hole has the passage by the middle body processing of lid (21), and another passage that the end of this passage and rectangular slab (24) are located can merge final by principal arm (30), and wherein air duct is mounted to principal arm (30) end by the central point from turntable.
Fig. 4 represents to promote the position of the present invention in container (51) of the rotation of embodiment.The lid of closing fully (21) forms the flange that will be fit in the container (51), can rotate this container by motor (50) or other any actuator of expecting that rotatablely moves that provides.Locate principal arm (30) at roller (33) and stretch into container (51), and simultaneously the step (41) of principal arm (30) from the V-shape portion spare (40) forbidding rotating separated, to allow rotation.In case rotation is finished and received propeller from roller (33), the spring assembly (31) between roller (33) and the V-shape portion spare (40) will make embodiment be back to latched position.In fact, this forms two steps, extends and whirligig.
With reference to Fig. 5, the external cam profile (63) by cam (64) obtains to extend, and impels roller (33) on the principal arm (30) to roll and promote principal arm (30) effectively along profile and breaks away from groove (41) on the V-shape portion spare, thereby be that principal arm (30) release is to rotate.Use other actuator of gas transmission device for example or electric actuator and so on also can obtain identical purpose.Forbid unnecessary rotation by the locking that the step (41) on the V-shape portion spare (40) provides, but can not prevent the unplanned extension of principal arm (30) that in fact this extension will cause arbitrarily rotation of principal arm (30).In order to prevent this situation, pin (34) plays additional locking action and manually or by the centrifugal force when round platform (60) high speed rotating is extended to prevent principal arm (30).Pin (34) vertically is placed in the groove with circular channel of processing on identical cam (64), and this cam has design and extends the external cam profile (63) that principal arm (30) breaks away from the groove (41) on the V-shape portion spare (40).Groove on the cam (64) is discrete.The passage of this groove interrupts with release pin (34), thereby allows to extend principal arm by external cam profile (63).The consistent size of the interrupting channel of channel profiles and external cam profile (63).In other words, the external cam profile will begin to extend principal arm (30) at the some place that groove interrupts.Vice versa; The external cam profile will be finished the contraction of principal arm (30) when pin (34) reenters the passage of groove.
Fig. 5 represents the execution mode of the unit of a plurality of tipper devices (10) in the rotating turret system.This embodiment is fixed with the V-shape portion spare (40) of present embodiment on the round turntable (60).These cell distribution are around turntable (60), and this turntable is installed on the high speed and precision motor (61).Cam ring profile (62) is designed to specific standard, will operate the cam follower (23) that finally opens or closes lid of the present invention (21).
Enforcement of the present invention is not limited to the rotating turret system.The enforcement of other form for example based on the enforcement of linearity, also can be applied to obtaining identical target.
The present invention is better than prior art, because it allows to implement a plurality of rotary work stations, and with The time reduce to obtain the required motion of same target, thereby increase the more potentiality of high production speed.
Claims (8)
1. the method for the integrated circuit (IC) chip of overturning comprises following steps:
Chip is placed in the anchor clamps;
Anchor clamps are inserted between the fork of fork member;
And rotate described fork member to rotate described anchor clamps and chip.
2. the anchor clamps of the equipment of the electronic circuit chip that is used for overturning, these anchor clamps comprise the body member that is used for being installed on the index table, this body portion has fore-end and rear end part, the axle of directed turntable when wherein rear end part is on being installed in turntable, body member has extension passage wherein, at least this channel part of rear end part that passes body member is for circular, and chip holding element with front-end and back-end part, rear end part is included in the cylindrical bar that receives in the circular channel of body member, so that rotatable and slip in described passage, and fore-end has the chip retaining hole and closes component, closure member has one and independent slidably with respect to the hole on every side of retaining hole, so that the hole can be opened or closed on one or both sides, on the front of the back of chip holding element and body member, form locking device, so that this device prevents that the chip holding element is rotated when engaging, and provide elastic device to arrive bonding station to impel locking device.
The upset electronic circuit chip equipment, comprise and be installed in index table anchor clamps a plurality of as claimed in claim 2 on every side, thereby the rear end part of its chips holding element contacts the release locking device at chip upturned position place with first stationary cam surface, and the device relevant with or another hole closure member contacts with the sliding eye closure member to make position with second stationary cam surface.
4. tipper device that comprises the described tipper of several claims as described above unit, this device comprises:
Rotating disk with tipper unit, described tipper unit are along the periphery of this rotating disk, thereby separation pitch is fixed to stop at predetermined station.
5. tipper as claimed in claim 4 unit, its cam are fixed to the motion with control board of top board and base plate.
6. the equipment of the integrated circuit (IC) chip of overturning comprises:
Chip fixture;
The anchor clamps whirligig, this device is installed in the fixed position, has chip fixture and receives recess;
Make every next contact of chip enter the device of described recess;
Wherein whirligig activated with the rotary chip anchor clamps where necessary.
7. one kind comprises a plurality of rotating turret systems that are fixed to the chip holding device of index table, and wherein said turntable comprises:
Main cam is used for engaging with the chip holding device and makes described anchor clamps enter anchor clamps with vertical application of force to receive recess;
In case the chip holding device is stretched into, described anchor clamps receive the recess rotation.
8. the described chip fixture of claim as described above,
Wherein in order to keep IC or similar firmware, the vacuum attraction part is provided, wherein this vacuum attraction partly comprises the passage that extends through the chip holding device, another passage that the end of this passage and rectangular slab (24) are located can merge and finally passes cylindrical bar, and wherein air duct is mounted to the end of cylindrical bar by the central point from rotation platform.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MYPI20033282 | 2003-08-29 | ||
| MYPI20033282 | 2003-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1591815A true CN1591815A (en) | 2005-03-09 |
Family
ID=34617506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310123758 Pending CN1591815A (en) | 2003-08-29 | 2003-12-24 | Method and device for turning over IC chip |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1591815A (en) |
| SG (1) | SG141221A1 (en) |
| TW (1) | TW200509764A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110038694A1 (en) * | 2008-04-18 | 2011-02-17 | Hun Sniah Khoo | Semiconductor die sorter for wafer level packaging |
| CN105921930A (en) * | 2016-06-08 | 2016-09-07 | 珠海雷克斯电子科技有限公司 | Automatic separating tilter for combined fixture |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4915565A (en) * | 1984-03-22 | 1990-04-10 | Sgs-Thomson Microelectronics, Inc. | Manipulation and handling of integrated circuit dice |
| US4875279A (en) * | 1987-08-21 | 1989-10-24 | E. I. Du Pont De Nemours And Company | Die attach pickup tools |
| DE10121115A1 (en) * | 2001-04-28 | 2002-10-31 | Leica Microsystems | Holding device for wafers |
-
2003
- 2003-10-30 SG SG200306449-0A patent/SG141221A1/en unknown
- 2003-12-24 CN CN 200310123758 patent/CN1591815A/en active Pending
- 2003-12-31 TW TW092137754A patent/TW200509764A/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110038694A1 (en) * | 2008-04-18 | 2011-02-17 | Hun Sniah Khoo | Semiconductor die sorter for wafer level packaging |
| JP2011519153A (en) * | 2008-04-18 | 2011-06-30 | スニアー クフー，フン | Semiconductor die sorter for wafer level packaging |
| CN105921930A (en) * | 2016-06-08 | 2016-09-07 | 珠海雷克斯电子科技有限公司 | Automatic separating tilter for combined fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| SG141221A1 (en) | 2008-04-28 |
| TW200509764A (en) | 2005-03-01 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |