WO2006011563A1 - 半導体装置の搭載方法 - Google Patents
半導体装置の搭載方法 Download PDFInfo
- Publication number
- WO2006011563A1 WO2006011563A1 PCT/JP2005/013857 JP2005013857W WO2006011563A1 WO 2006011563 A1 WO2006011563 A1 WO 2006011563A1 JP 2005013857 W JP2005013857 W JP 2005013857W WO 2006011563 A1 WO2006011563 A1 WO 2006011563A1
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- Prior art keywords
- collet
- cam
- semiconductor device
- mounting
- reverse
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/74—Apparatus for manufacturing arrangements for connecting or disconnecting semiconductor or solid-state bodies
- H01L24/75—Apparatus for connecting with bump connectors or layer connectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/74—Apparatus for manufacturing arrangements for connecting or disconnecting semiconductor or solid-state bodies and for methods related thereto
- H01L2224/75—Apparatus for connecting with bump connectors or layer connectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/74—Apparatus for manufacturing arrangements for connecting or disconnecting semiconductor or solid-state bodies and for methods related thereto
- H01L2224/75—Apparatus for connecting with bump connectors or layer connectors
- H01L2224/7565—Means for transporting the components to be connected
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/74—Apparatus for manufacturing arrangements for connecting or disconnecting semiconductor or solid-state bodies and for methods related thereto
- H01L2224/75—Apparatus for connecting with bump connectors or layer connectors
- H01L2224/758—Means for moving parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01005—Boron [B]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01006—Carbon [C]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01023—Vanadium [V]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01033—Arsenic [As]
Definitions
- the present invention relates to a flip chip bonder for mounting a semiconductor device such as a semiconductor chip on an electronic circuit board while turning the front and back.
- a general flip chip bonder includes a chip supply unit that supplies a semiconductor chip with its surface facing up, and a reversing mechanism that reverses the front and back of the chip after supplying the semiconductor chip.
- the chip mounting unit that receives the semiconductor chip from the chip inversion unit and then mounts it on the electronic circuit board, the chip recognition unit A that recognizes the position of the semiconductor chip in the chip supply unit, and the semiconductor chip received by the chip mounting unit
- the chip recognition unit B recognizes the position of the electronic circuit board and the circuit board recognition unit recognizes the position of the electronic circuit board on which the semiconductor chip is mounted.
- Japanese Patent No. 2725701 discloses a typical structure of such a flip chip bonder.
- the flip chip bonder has a cycle time of about 1.5 seconds at the fastest.
- the cycle time of the mounting equipment, V, and the so-called die bonder is about 0.2 force 0.5 seconds without turning the semiconductor chip upside down.
- the productivity of flip chip bonders is very low compared to die bonders, and the low cost of the flip chip mounting process. It becomes a big obstacle of the transformation.
- An object of the present invention is to increase the speed of a flip chip bonder mounted on an electronic circuit board while turning the semiconductor chip upside down.
- One of the main causes of the slow cycle time of the flip chip bonder is that it takes a long time to reverse the semiconductor chip.
- the conventional mounting equipment employs an actuator that is driven by an electric motor, so that smooth acceleration / deceleration is difficult and the control speed tends to be discontinuous. For this reason, it takes a long time to match the timing with the operation before and after inversion.
- the electric motor accelerates or decelerates from a stopped state to a high-speed operating state or from a high-speed operating state to a stopped state, the operation of the electric motor in the acceleration / deceleration region becomes unstable due to its characteristics. For this reason, it takes a long time to match the timing with the operation before and after inversion.
- the present application includes a plurality of inventions that can achieve this object.
- One of the typical techniques is to hold the semiconductor device by sticking the semiconductor device to the inverted collet by projecting the inverted collet to the semiconductor device and sucking air through the inverted collet.
- the reversing collet is retracted in the state, the reversing collet is rotated, the front and back of the semiconductor device are reversed, the air suction of the reversing collet is weakened by switching the air circuit, and the semiconductor device is transferred to the mounting collet.
- At least one of the protrusion and evacuation of the reversing collet and the air circuit switching of the reversing collet and the rotation of the reversing collet are performed by one motor. This is done by a cam mechanism driven by.
- the front / back reversing operation of the semiconductor chip is controlled by the cam force curve that is not the motor speed, and other operations related to the front / back reversal are driven by the same single motor.
- the cam force curve that is not the motor speed
- other operations related to the front / back reversal are driven by the same single motor.
- FIG. 1 shows a flip chip bonder according to an embodiment of the present invention.
- some parts such as structural parts, control devices, safety covers, user interfaces, piping and wiring are omitted as necessary.
- the reversing motor 1 is connected to the input shafts of three plate cams 2 (consisting of plate cams 2a, 2b, and 2c) and the roller gear cam type index table 3 through joints and shafts.
- the A separate cam follower 4 is pressed against each of the three plate cams 2, and by following the cam curve of each plate cam 2, displacement corresponding to the cam curve can be taken out.
- a rotating plate 10 is attached to the output shaft of the roller gear cam type index table 3, and rotates based on the rotation of the input shaft and the designed cam curve.
- the central portion of the rotating plate 10 is supported by a bearing (not shown), and the plate-like member is attached to the disc-like member so as to protrude in a point-symmetrical position with respect to the center and to the outer periphery of the disc.
- the shape is like this.
- Two sets of collet up-and-down mechanisms 8a and 8b and reversing collets 9a and 9b are attached to the protruding portion of the rotating plate 10, and rotate together with the rotating plate 10.
- the reversing mechanism in this embodiment is composed of a roller gear cam type index table 3, a rotating plate 10, a two-thread collet up / down mechanism 8a, 8b, and a reversing collet 9a, 9b.
- the collet vertical mechanisms 8a and 8b move up and down according to the cam curve of the plate cam 2a. This up-and-down movement is performed by the reversing collets 9a and 9b attached to the collet up-and-down mechanisms 8a and 8b near the vertical positions.
- the reverse collets 9a and 9b have suction surfaces, and the semiconductor chip 71 can be sucked and held by vacuum suction from a suction port formed in the suction surfaces. In addition, holding of the semiconductor chip 71 can be stopped by canceling vacuum suction through the suction port and blowing out an air flow.
- the reversing collets 9a, 9b to the collet up / down mechanisms 8a, 8b, air tubes 7a, 7b, rotary plate 10, center air valve 6 and vacuum
- An air circuit is formed from the power source to the compressor.
- Dicing frame fixing base 26 is installed. The dicing frame fixing base 26 is attached to the wafer translation mechanism 24x, 24y.
- a wafer rotating mechanism 22 for rotating the dicing frame 21, the dicing film 27, and the semiconductor chip 71 fixed to the dicing fixing base 26 in the plane of the dicing frame 21 is provided with the die cinder frame fixing base 26. Connected.
- a chip peeling mechanism 23 is disposed below the die cinder film 27.
- the chip peeling mechanism 23 is in close contact with or close to the die cinder film 27 by performing an upward translation operation.
- the chip peeling mechanism 23 performs the peeling operation of the semiconductor chip 71 stuck on the upper surface of the die cinder film 27 at the same position.
- the chip peeling mechanism 23 can support a plurality of chip peeling methods by exchanging the units. Applicable chip peeling methods include piercing the die-cinder film 27 by pushing up the needle-like pin, thereby lifting the semiconductor chip 71, and contacting the ultrasonically oscillating pin below the die-cinder film 27. To remove the semiconductor chip 71 attached to the upper surface of the die chip 27 and heat the die cinder film 27 or irradiate it with ultraviolet rays.
- any of the various chip peeling methods currently known can be applied.
- a mounting collet X moving mechanism 35 is disposed above the inverted collets 9a and 9b.
- the mounted collet X moving mechanism 35 is also configured with a linear motor and a linear guide force.
- the mounted collet X movement mechanism 35 allows the X movement block 37 to move in the X direction.
- the positions of both ends of the movement range at that time are indicated by the X movement block 37 shown by a two-dot chain line.
- the mounted collet up-and-down mechanism 34 is attached to the x moving block 37, and the load adjusting mechanism 32 moves up and down when the mounted collet up-and-down mechanism 34 operates.
- the mounted collet up / down mechanism 34 is also configured with force such as a ball screw and linear guide.
- the load adjusting mechanism 32 is provided with a mounting collet rotating mechanism 33 and a mounting collet 31.
- an air circuit (not shown) is led to the mounting collet 31.
- the mounting collet 31 is a nozzle-like component having a vacuum suction port.
- a vacuum suction force is generated at the vacuum suction port, and a half
- the conductor chip 71 can be held by suction.
- the vacuum suction force of the air circuit is released in the state of being close to the circuit board 72 described later, and a positive air flow is led to the semiconductor chip 71 from the mounting collet 31 to the circuit board 72. It can be installed.
- the mounted collet rotating mechanism 33 is also configured with a force such as an electric motor and a timing belt mechanism, and can operate to rotate the mounted collet 31 around the z-axis by operating in response to a signal from a control unit (not shown).
- a circuit board transport path 43 is arranged in the y direction below the mounted collet X moving mechanism and in the end direction opposite to the reverse collets 9a and 9b.
- a circuit board 72 is guided on the circuit board conveyance path 43.
- the circuit board 72 is movable in the y direction by the operation of the circuit board y feeding mechanism 41. Before the semiconductor chip 71 is mounted, the circuit board 72 is vacuum-sucked and held by a substrate holding mechanism (not shown) below the circuit chip 72.
- the flip chip bonder in this embodiment has three recognition cameras.
- the semiconductor chip recognition camera A25 recognizes an image of the semiconductor chip 71 attached on the die cinder film 27, and outputs the position and inclination thereof.
- the semiconductor chip recognition camera B36 recognizes an image of the semiconductor chip 71 sucked and held by the mounted collet 31, determines the presence / absence of the semiconductor chip 71, and the positional deviation and rotation deviation of the reference position force of the semiconductor chip 71. Output.
- the circuit board recognition camera C42 is a circuit board 7 on which a semiconductor chip 71 is mounted. Image 2 is recognized and the presence / absence of the circuit board 72 and the positional deviation and rotation deviation of the reference position force are output. Next, the air circuit switching operation by the center air valve 6 is shown in Figs. 2A, 2B, 3
- FIGS. 2A and 2B illustrate the center air valve 6 from the y-axis direction, and the arrows in the drawings indicate the rotation direction of the rotating plate.
- Parts such as 10 and parts such as the reverse mechanism base plate 5 on the back are omitted.
- the center air valve 6 is a disk-shaped component, and the central portion is held by a rotary bearing.
- the surface has two arc-shaped air suction grooves 55 and 56 and an air ejection hole 57.
- the air suction grooves 55 and 56 and the air tubes 52 and 53 are connected via joints, respectively.
- the air tubes 52 and 53 are connected to a vacuum source via a vacuum regulator (not shown).
- the air ejection hole 57 and the air tube 54 are connected via a joint.
- the air tube 54 is connected to an air source such as a compressor via a regulator valve.
- a cam lever 51c is connected to the center air valve 6, and the cam lever 51c is connected to a cam follower 4 corresponding to the plate force 2c via a link mechanism. For this reason, the cam lever 51c moves in the vertical direction corresponding to the cam curve of the designed plate cam 2c. That is, the center air valve 6 can be rotated as necessary from the standard position shown in FIG. 2A to the rotational position shown in FIG. 2B.
- center air valve 6 can be returned by reversely rotating from the rotational position of FIG. 2B to the standard position of FIG. 2A according to the cam curve of the plate cam 2c.
- FIGS. 3A and 3B show the rotating plate 10 and various parts assembled to the rotating plate 10, and the arrows in the drawings indicate the rotation directions thereof.
- the rotary plate 10 is supported by a rotary bearing at the center thereof. Further, the rotating plate 10 is connected to the output shaft of the roller gear cam type index table 3 described above, and rotates according to the cam curve of the roller gear cam type index table 3.
- the index table side of the rotary plate 10 is close to the above-described center air valve 6 in contact or with a slight gap.
- the air connection hole 11a is a joint, an air tube 7a and a collet up-and-down mechanism 8a. Connected to the suction port on the suction surface.
- the air connection hole l ib is connected to the suction port on the suction surface of the reverse collet 9b via the joint, the air tube 7b, and the collet vertical mechanism 8b.
- the radial positions of the air connection holes 11 a and l ib correspond to the air suction grooves 55 and 56 and the air ejection holes 57 of the center air valve 6 described with reference to FIGS. 2A and 2B.
- FIGS. 3A and 3B the air suction grooves 55 and 56 and the air ejection hole 57 of the center air valve 6 are shown by two-dot chain lines. Due to the above-described configuration, for example, when the rotation plate 10 is located at the rotation angle shown in FIG. 3A, the air suction groove 56 is located at the position where the air suction groove 56 overlaps. For this reason, a vacuum suction force is generated in the inverted collet 9b corresponding to the air connection hole l ib. On the other hand, the air suction grooves 55 and 56 do not overlap the air connection hole 11a. For this reason, no vacuum arching force is generated in the reverse collet 9a corresponding to the air connection hole 11a.
- the air connection hole 11a does not correspond to the air ejection hole 57, air does not blow out from the suction port of the reverse collet 9a.
- the air connection holes l la and l ib are at positions corresponding to the air suction grooves 56 and 55, respectively. For this reason, a vacuum suction force is generated at any suction port of the inverted collets 9a and 9b.
- the semiconductor chip 71 is sucked and held on the reverse collet 9b, but the semiconductor chip 71 is not sucked and held on the reverse collet 9a.
- the air suction grooves 55 and 56 are formed in one groove so that the air flow blown from the reversing collet 9a reduces the vacuum degree of the air circuit and the semiconductor chip 71 sucked and held by the reversing collet 9b does not fall off. Then it is divided into two.
- the wall that separates the air suction groove 55 and the air suction groove 56 is formed to be sufficiently thin compared to the diameter of the air connection holes l la and l ib, so that the air connection hole is rotated when the rotary plate 10 rotates. Even if l la and l ib cross this wall, the vacuum suction force of the suction collets 9a and 9b does not decrease.
- the roller gear cam type index table 3 is output by not transmitting the rotating force to the output shaft while continuously rotating the input shaft as shown in the timing diagram of the general roller gear cam type index table shown in Figs. 4A and 4B. This mechanism can stop (substantially stop) the rotation of the shaft.
- the roller gear cam type index table 3 has a structure in which a drum-shaped teno rib cam 80 and a roller follower 81 are combined on the input shaft side as shown in FIGS. 5A and 5B.
- FIG. 7 shows the main parts related to the rotary plate 10 and the scanning positioning from the direction of the reversing mechanism base plate 5 shown in FIG.
- FIG. 7 some parts including the reversing mechanism base plate 5 are omitted, not shown.
- a pin 62a and a pin 62b are provided on the surface on the index table side of the rotating plate 10, which is a member that rotates as the front and back are reversed, and the tip thereof has a cone shape. Yes.
- the portion where the V-notch plate 61 does not rotate as the front and back are reversed is located at the position opposed to the pin 62a. It is installed in a state where it is attached to the linear motion table 64 which is a material.
- a cam lever 63 is attached to the V notch plate 61. Further, the cam follower 4 described with reference to FIG. 1 is attached to one end of the cam lever 63, and moves according to the cam curve of the plate cam 2b.
- the V-notch plate 61 By the movement of the plate cam 2b, the V-notch plate 61 linearly moves in the y direction in FIG.
- the V-notch plate 61 comes into contact with the pin 62a when moving in the left rear direction (y minus direction) in FIG.
- the rotation plate 10 is positioned at the rotational direction determined by the engagement of the V-notch plate 61 and the pin 62a.
- the V notch plate 61 and the pin 62a mate with each other in the stopping section (stopped state) of the roller gear cam type index table 3 to which the rotating plate 10 is connected.
- Direction rigidity is set low.
- collet lifting mechanisms 8a and 8b in FIG. 1 will be described in detail with reference to FIG.
- the collet up-and-down mechanism 8b is the same mechanism as the collet up-and-down mechanism 8a, and therefore 8a will be described below. Therefore, the detailed illustration of 8b in FIG. 8 is omitted.
- the collet up-and-down mechanism 8a shown in FIG. 1 includes a ball spline outer cylinder 81, a ball spline shaft 82, a lower stopper 83, a stopper plate 84, an upper stopper 85, an upper stopper fixture 86, and a tension panel. 87, collet up / down lever 88, cam follower 89, cam follower 90, collet lever push plate 91 and force are also configured.
- a ball spline outer cylinder 81 is fixed to the rotating plate 10, and the ball spline shaft 82 is guided so as to be slidable in the vertical direction.
- a reverse collet 9a is attached to the lower part of the ball spline shaft 82, and a stopper plate 84 is attached to the upper part. Not shown between the inverted collet 9a and the ball spline outer cylinder 81 A compression panel is inserted. Therefore, when an upward external force is applied to the reversing collet 9a or the ball spline shaft 82, the reversing collet 9a and the ball spline shaft 82 perform a retreat operation in the upward direction.
- the ball spline shaft 82 has a hollow structure, and an air tube 7a shown in FIG. 1 is attached to the upper portion thereof. Therefore, an air circuit is formed from the air tube 7a through the ball spline shaft 82 to the reversing collet 9a!
- An upper stopper 85 is fixed to the upper stopper fixture 86 fixed to the rotating plate 10.
- the ball spline shaft 82 and the reverse collet 9a Determine the rising edge of the.
- a lower stopper 83 is attached to the upper portion of the ball spline outer cylinder 81.
- the lower stopper 83 and the stopper plate 84 come into contact with each other, the lower end of the ball spline shaft 82 and the reverse collet 9a are provided. To decide.
- a collet up / down lever 88 is attached to the side surface of the rotary plate 10, and can swing around a bearing attached near the center thereof.
- cam followers 89 and 90 are attached to both ends of the collet up / down lever 88.
- the stopper plate 84 is always in contact with the cam follower 89 in a range where the lower stopper 83 is not effective due to the compression panel.
- the cam follower 90 is pressed against the collet lever pressing plate 91 by the pulling panel 87 so that the upper stopper 85 is effective and is in the range.
- the collet lever pushing plate 91 is a plate part having an arcuate outer shape, and is supported by a linear motion guide (not shown).
- a cam follower 4 shown in FIG. 1 is attached to the other end of the cam lever, and is pressed against the plate cam 2a shown in FIG. 1 by a panel. For this reason, the rotation of the plate cam 2a causes the collet lever pushing plate 91 to move back and forth in the y direction according to the cam curve of the plate cam 2a. As the collet lever pushing plate 91 moves back and forth, the collet up / down lever 88 swings, and the reverse collet 9a moves up and down accordingly. Note that the collet lever pushing plate 91 corresponding to the position where the force reversing collets 9a, 9b are omitted in FIG.
- the inverted collets 9a and 9b also move up and down in the position. That is, the collets 9a and 9b perform a protruding operation that protrudes in the outer circumferential direction of the rotating plate 10 when the collet lever pressing plate 91 moves in the negative y-axis direction. Further, the collets 9a and 9b perform a retreat operation in which the collet lever pressing plate 91 moves in the central direction of the rotating plate 10 when the collet lever pressing plate 91 moves in the y-axis plus direction.
- the dicing film 27 and the dicing frame 21 to which the dicing film 27 is fixed are fixed to the dicing frame fixing base 26.
- the dicing fixed base 26 is moved by the operation of the wafer translation mechanism 24x, 24y and the wafer rotation mechanism 22 based on the position / posture recognition result of the semiconductor chip 71 by the semiconductor chip recognition camera A25, and is a semiconductor to be sucked and held.
- the body chip 71 is conveyed to the suction holding position.
- the chip peeling mechanism 23 also rises in the downward force of the die cinder film 27, and the semiconductor chip 71 to be sucked and held is peeled off from the dicing film 27.
- the reversing collet 9a has reached the stationary section of the roller gear cam type index table 3 connected to the reversing operation motor 1 by the rotation operation of the reversing operation motor 1.
- the reverse collet 9a is lowered by the movement of the collet up / down lever 88 shown in FIG. In synchronism with this, as described in FIGS.
- a vacuum circuit is connected to the reversing collet 9a at this position. As described above, the peeled semiconductor chip 71 is sucked and held by the inverted collet 9a waiting above it.
- the reverse collet 9a starts to rise by the collet vertical mechanism 8a, and the precise positioning by the V-notch plate 61 is released. Subsequently, the stop section of the roller gear cam type index table 3 is completed, and the output shaft returns to the normal state where the rigidity in the rotation direction of the output shaft is high again, and the output shaft starts rotating. For this reason, the reversing collet 9a starts reversing. Further, the collet up / down lever starts to swing, and as a result, the inverted collet 9a is retracted toward the center of the rotating plate 10.
- the reverse collet 9a starts to rotate.
- the rotational rigidity of the output shaft of the roller gear cam type index table 3 decreases, and the V-notch plate 61 performs precise positioning.
- the reverse collet 9a is lowered by the swinging of the collet up / down lever 88.
- the vacuum suction circuit through the center valve 6 is connected, a vacuum suction force is generated in the reverse collet 9a. The above front / back reversing operation is repeated.
- the reverse collet 9a and the reverse collet 9b are in symmetrical positions with respect to the output shaft of the roller gear cam type index table 3, and the reverse collet 9a and the reverse collet 9b have a phase difference of 180 degrees. Perform the same operation.
- the position of the semiconductor chip 71 on the die cinder film 27 is recognized by the visual field opened between the inverted collets 9a and 9b by the upper semiconductor chip recognition camera A25. It is done by acquiring images through.
- the semiconductor chip 71 sucked and held in the mounting collet 31 by the front-back inversion and transfer operation of the semiconductor chip 71 as described above is moved in the circuit board 72 direction (X axis minus direction) by the mounting collet X moving mechanism 35. Moving. On the way, the position and orientation of the semiconductor chip 71 held on the mounting collet 31 by the semiconductor chip recognition camera B36 on the mounting collet 31 are recognized. Further, the position and orientation of the place to be mounted on the circuit board 72 are recognized in advance by the circuit board recognition camera C42.
- the mounted collet rotation mechanism operates to correct the rotational deviation between the semiconductor chip 71 adsorbed by the mounted collet 31 and the semiconductor chip planned mounting location on the circuit board 72. To do. Also equipped with collet 3 The misalignment between the semiconductor chip 71 attracted to 1 and the planned mounting position of the semiconductor chip on the circuit board 72 is corrected by operating the stop position of the mounting collet X moving mechanism and the circuit board y feeding mechanism. After positioning the semiconductor chip 71 attracted by the mounting collet 31 above the planned mounting position of the circuit board 72, the mounting collet 31 moves down by the operation of the mounting collet lifting mechanism 34, and the semiconductor chip 71 is scheduled to mount the circuit board 72.
- the semiconductor chip 71 is mounted on the circuit board 72 by releasing the vacuum suction of the mounting collet 31 while being in contact with the location. At this time, the load adjusting mechanism 32 works to control the force pressing the semiconductor chip 71 against the circuit board 72 within an appropriate range.
- the circuit board 72 is sent to the next mounting location on the circuit board 72 by the circuit board y feeding mechanism 41.
- the mounting collet 31 moves up after the semiconductor chip 71 is mounted, and again moves to a position for receiving the semiconductor chip 71 that has been turned upside down.
- the process of joining the semiconductor chip 71 and the circuit board 72 includes a heating process or a process of vibrating one or both in-plane with the semiconductor chip 71 in contact with the circuit board 72.
- the flip chip bonder of the present embodiment can be applied to any process, and a heating mechanism and a vibration mechanism may be attached to the mounting collet 31 below the circuit board 72 as necessary.
- a known supply means such as a tucker or a dispenser may be installed upstream of the circuit board conveyance path 43.
- a dispenser for supplying underfill resin may be disposed downstream of the circuit board conveyance path 43.
- FIG. 9 shows a timing chart of the cam mechanism of the present embodiment.
- Fig. 9 (a) is a roller gear cam type index table 3, (b) is a center valve 6 switching plate cam 2c, (c) is a plate cam 2b for front and rear (precise positioning) of the V-notch plate, This is for the upper and lower lever plate cam 2a.
- the horizontal axis represents the rotation angle of the reversing motor 1.
- the cam curve is expressed as if there is a non-continuous part, but in practice, various cam curves are selected and applied without a non-continuous part.
- the time required for reversing the front and back could be 0.3 seconds.
- the stopping accuracy with only the roller gear cam type index table was about ⁇ 15 micron, but in this example, about 8 microns could be obtained.
- the semiconductor chip is supplied in a state where it is attached to the die cinder film! /, And the force of the semiconductor chip is supplied in a state of being stored in the chip tray. The same effect can be obtained.
- a plurality of means may be provided in order to significantly increase the speed of the flip chip bonder. However, it is not always necessary to implement all of them in order to increase the speed of the flip chip bonder. . For example, although the synchronism is sacrificed, the reversing collet can be ejected or retracted by another actuator such as a solenoid.
- the semiconductor device By projecting the inverted collet to the semiconductor device and sucking air through the inverted collet, the semiconductor device is adsorbed to the inverted collet, and the inverted collet is retracted while holding the semiconductor device, and then inverted.
- the front and back sides of the semiconductor device are inverted, and by switching the air circuit, the air suction force of the inverted collet is weakened to transfer the semiconductor device to the mounting collet, and the semiconductor device is mounted using the mounting collet
- the mounting equipment of the semiconductor device to be mounted at least one of the protrusion and retraction of the reversing collet and the air circuit switching of the reversing collet and the rotation of the reversing collet are driven by a single motor. Some are made by a moving cam mechanism. As a result, collet movement and switching of the vacuum circuit can be linked in a short time (stable and substantial synchronization) with the front / reverse inversion operation, so that it does not interfere with high-speed operation.
- the reversing collet is positioned at the stop position by mechanically reversing the pins 62a and 62b fixed to the rotating plate 10 which rotates for the front and back reversing operation, and the V notch plate 61 which does not rotate.
- the cam mechanism has an index table using a roller gear cam in which an input shaft is connected to a motor.
- the index table rotates by rotation of the input shaft of the index table, and the side surface of the cam surface is the cam surface.
- a cam having a convex and a roller follower that rotates along the cam surface and rotates the output shaft of the index table by changing the position of the cam surface.
- FIG. 1 is a view showing an outline of a flip chip bonder in an embodiment of the present invention.
- FIG. 2A is a diagram showing the operation of a center air solenoid in an embodiment of the present invention.
- FIG. 2B is a view showing the operation of the center air valve in the embodiment of the present invention.
- FIG. 3A] is a view showing the connection state of the air circuit by the rotation of the rotating plate in the embodiment of the present invention.
- ⁇ 3B A diagram showing the connection state of the air circuit by the rotation of the rotating plate in the embodiment of the present invention.
- FIG. 4A is a timing diagram of a roller gear cam type index table in the embodiment of the present invention.
- FIG. 4B is a timing diagram of the roller gear cam type index table in the embodiment of the present invention.
- FIG. 5A is an indexing view showing a state in which the tapered rib cam and the roller follower are combined in the roller gear cam type index table.
- FIG. 5B is a view when the taper rib cam and the roller follower are in contact with each other in the roller gear cam type index table.
- Fig. 6 is a view when the teno rib cam is removed in the embodiment of the present invention at the time of stopping.
- FIG. 7 is a diagram showing a scanning positioning method in the embodiment of the present invention.
- FIG. 8 is a view showing details of the collet up-and-down mechanism in the embodiment of the present invention.
- FIG. 9 is a timing chart diagram of the cam mechanism in the embodiment of the present invention.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Wire Bonding (AREA)
- Die Bonding (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004222741A JP4691923B2 (ja) | 2004-07-30 | 2004-07-30 | 半導体装置の搭載設備 |
JP2004-222741 | 2004-07-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006011563A1 true WO2006011563A1 (ja) | 2006-02-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/013857 WO2006011563A1 (ja) | 2004-07-30 | 2005-07-28 | 半導体装置の搭載方法 |
Country Status (2)
Country | Link |
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JP (1) | JP4691923B2 (ja) |
WO (1) | WO2006011563A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1874106A2 (de) | 2006-06-28 | 2008-01-02 | Siemens Aktiengesellschaft | Zuführeinrichtung zur Zufuhr von Bauelementen zu einem Bestückautomaten |
TWI579935B (zh) * | 2015-03-20 | 2017-04-21 | Cetc Beijing Electronic Equipment Co Ltd | A flip chip bonding device |
KR20180116335A (ko) * | 2016-02-29 | 2018-10-24 | 상하이 마이크로 일렉트로닉스 이큅먼트(그룹) 컴퍼니 리미티드 | 플립 칩 결합 장치 및 결합 방법 |
CN110012657A (zh) * | 2019-05-15 | 2019-07-12 | 深圳市兴华炜科技有限公司 | 高速贴片的转移方法及相关产品 |
Citations (3)
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JPH0256945A (ja) * | 1988-08-22 | 1990-02-26 | Matsushita Electric Ind Co Ltd | 電子部品実装装置 |
JPH1168396A (ja) * | 1997-08-22 | 1999-03-09 | Matsushita Electric Ind Co Ltd | 電子部品実装装置 |
JP2004327586A (ja) * | 2003-04-23 | 2004-11-18 | Matsushita Electric Ind Co Ltd | 電子部品搭載装置および電子部品搭載方法 |
-
2004
- 2004-07-30 JP JP2004222741A patent/JP4691923B2/ja not_active Expired - Fee Related
-
2005
- 2005-07-28 WO PCT/JP2005/013857 patent/WO2006011563A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0256945A (ja) * | 1988-08-22 | 1990-02-26 | Matsushita Electric Ind Co Ltd | 電子部品実装装置 |
JPH1168396A (ja) * | 1997-08-22 | 1999-03-09 | Matsushita Electric Ind Co Ltd | 電子部品実装装置 |
JP2004327586A (ja) * | 2003-04-23 | 2004-11-18 | Matsushita Electric Ind Co Ltd | 電子部品搭載装置および電子部品搭載方法 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1874106A2 (de) | 2006-06-28 | 2008-01-02 | Siemens Aktiengesellschaft | Zuführeinrichtung zur Zufuhr von Bauelementen zu einem Bestückautomaten |
EP1874106A3 (de) * | 2006-06-28 | 2009-12-23 | Siemens Aktiengesellschaft | Zuführeinrichtung zur Zufuhr von Bauelementen zu einem Bestückautomaten |
TWI579935B (zh) * | 2015-03-20 | 2017-04-21 | Cetc Beijing Electronic Equipment Co Ltd | A flip chip bonding device |
KR20180116335A (ko) * | 2016-02-29 | 2018-10-24 | 상하이 마이크로 일렉트로닉스 이큅먼트(그룹) 컴퍼니 리미티드 | 플립 칩 결합 장치 및 결합 방법 |
EP3425662A4 (en) * | 2016-02-29 | 2019-02-27 | Shanghai Micro Electronics Equipment (Group) Co., Ltd. | RETURN CHIP BINDING DEVICE AND BINDING METHOD |
KR102088376B1 (ko) | 2016-02-29 | 2020-03-12 | 상하이 마이크로 일렉트로닉스 이큅먼트(그룹) 컴퍼니 리미티드 | 플립 칩 결합 장치 및 결합 방법 |
US10903105B2 (en) | 2016-02-29 | 2021-01-26 | Shanghai Micro Electronics Equipment (Group) Co., Ltd. | Flip chip bonding device and bonding method |
CN110012657A (zh) * | 2019-05-15 | 2019-07-12 | 深圳市兴华炜科技有限公司 | 高速贴片的转移方法及相关产品 |
Also Published As
Publication number | Publication date |
---|---|
JP2006041408A (ja) | 2006-02-09 |
JP4691923B2 (ja) | 2011-06-01 |
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