TWI618666B - Carrier disk and electronic component measurement method and device using the same - Google Patents

Abstract

The invention provides a carrier disc and a method and device for measuring electronic components using the carrier disc. The carrier disc includes a plurality of carrier grooves, which are arranged in a circle on the periphery of the carrier disc. An inner periphery of the carrier groove is provided above the carrier groove. The cover extends from the side to the center of the loading slot and covers the area of the top part of the component to be tested. Below the loading slot is a receiving space for loading the component to be tested. When a component is in use, the cover portion and the loading slot can rotate intermittently together. In a transfer step, the cover plate rotates the cover portion and the loading slot intermittently with an intermittent rotating flow path, and transfers the component to be tested in the loading slot to a Measurement area; in a measurement step, when the device under test stays in the measurement area, the probe element touches the device under test and lifts up the device under test, so that the cover of the device under test is blocked.

Description

Carrier disk and electronic component measurement method and device using the same

The present invention relates to a carrier disk and a measurement method and device using the same, and more particularly, to a carrier disk for transporting electronic components for physical property measurement, classification, or packaging, and electronic component measurement using the carrier disk. Method and device.

Known electronic components such as light-emitting diodes (LEDs) or passive components are usually measured for physical characteristics after classification for classification and packaging; Patent No. I447060 "Work Handling Device" has disclosed a workpiece The conveying device includes a platform base, a conveying platform rotatably arranged on the platform base, and a plurality of workpiece storage holes provided on the periphery, and a conveyance platform connected to the conveyance platform via a separate supply unit, which can supply the workpiece to the conveyance platform. The linear feeder in the storage hole; the upper surface of the linear feeder, the separation supply unit, and the workpiece storage hole are covered by the platform cover; in addition, the peripheral portion of the conveying platform is in the following order along the intermittent rotation direction The first inspection section, the second inspection section, and the discharge section are provided; the workpiece has a rectangular parallelepiped body with a light emitting surface on the upper side; and lead terminals protruding from the body toward the front and rear in the longitudinal direction as electrodes; the conveying platform rotates and conveys the workpiece to the first 1 Inspection section, the transport platform will stop. At this time, a vertical direction is provided in the platform base directly below the lead terminal. The retractable probe advances the probe toward the lead terminal by the action of the control unit, and pushes the workpiece up in a state of abutting the lead terminal, so that the upper surface of the workpiece is in contact with the lower surface of the cover of the first inspection portion. After that, it stopped pushing up and measured the electrical characteristics of the workpiece. After that, the probe retracted downward and continued to rotate the conveying platform intermittently to convey the workpiece. When the workpiece reached the second inspection section, the workpiece was compared with the first an examination In the inspection of different inspection items, the workpiece after the inspection by the second inspection section reaches the discharge section and is discharged from the workpiece storage hole.

In the prior art, when the workpiece is intermittently rotated and conveyed, the workpiece may bounce in the workpiece receiving hole instead of being flatly attached to the upper surface of the platform base, and because the upper surface of the workpiece receiving hole is covered by the platform cover, the upper surface of the workpiece may It will touch the underside of the platform cover. When the platform cover is not moving and the conveying platform rotates and rotates the workpiece intermittently relative to the platform cover, the upper part of the workpiece may be damaged by the relative displacement due to the friction of the platform cover. As an example, the polar body (LED) workpiece is filled with transparent glue, which is more suspected of being damaged under the protection of the shell; and when the workpiece reaches the inspection section, the probe in the platform base will abut. The state of the lead terminal pushes the workpiece up so that the upper surface of the workpiece is in contact with the lower surface of the platform cover of the inspection section, and the friction caused by the interference may cause damage to the upper surface of the workpiece.

That is, an object of the present invention is to provide a carrier disk which can reduce damage to electronic components during transportation.

Another object of the present invention is to provide an electronic component measurement method using the carrier plate.

Another object of the present invention is to provide a device using the electronic component measurement method.

A carrier disk according to the purpose of the present invention includes: a plurality of carrier grooves arranged in a circle on the peripheral edge of the carrier disk, and an upper part of the carrier groove is provided with a protrusion extending from the inner peripheral side of the carrier groove toward the center of the carrier groove and covering it. A covering part of the area of the top part of the device under test. A receiving space for loading the device under test is provided below the loading slot. When the loading disc is intermittently rotated to carry the device under test, the cover part and the loading slot can be used together. Intermittent rotation.

According to another aspect of the present invention, an electronic component measurement method uses a carrier disc as described in any one of claims 1 to 8 of the patent application scope, including: a transport step, the carrier disc intermittently rotates the flow path to cover the cover and the The loading tank rotates intermittently together to transport the device under test in the loading tank to a measurement area. In a measurement step, when the device under test stays in the measurement area, the probe element touches the device under test and lifts up. The component under test is blocked by the covered part of the component under test.

An electronic component measuring device according to another object of the present invention includes a device using the electronic component measuring method as described above.

In the carrier plate and the method and device for measuring electronic components using the carrier plate according to the embodiments of the present invention, when the carrier plate rotates and transports the component to be tested relative to the cover plate, a covering portion located above the loading slot can protect the top of the component to be tested. Prevents the DUT from being damaged due to the bounce caused by the top directly contacting the cover during the transportation process; and when the carrier disc stops rotating and the probe lifts the DUT, the cover part will block the DUT The periphery of the top of the component, so that the entire top of the component under test does not directly touch the light-transmitting sheet, which can reduce the damage caused by the touch of the light-emitting surface on the top of the component under test, and prevent the top of the component under test from touching the transparent surface. Light film, to avoid dust on the component under test from adhering to the light transmitting film and affecting future measurement accuracy.

1‧‧‧ tray

11‧‧‧ Loading trough

12‧‧‧ entrance

13‧‧‧ cover

14‧‧‧ Hollow

15‧‧‧ Admission space

151‧‧‧Dodge interval

152‧‧‧Negative pressure suction hole

2‧‧‧ Restricted

21‧‧‧ section

2’‧‧‧ Restricted

3‧‧‧ cover

31‧‧‧circle inner edge

Section 32‧‧‧

4‧‧‧Measurement area

4’‧‧‧Measurement area

41‧‧‧Translucent sheet

42‧‧‧Optical measuring element

5‧‧‧Sorting area

5’‧‧‧ sorting area

A‧‧‧Workbench

A’‧‧‧ workbench

A1‧‧‧ Probe

B‧‧‧carriage

B1‧‧‧ Covering member

B11‧‧‧Slotted

B12‧‧‧ Covering Department

B13‧‧‧Hollow

B2‧‧‧ Admittance component

B21‧‧‧Acceptor

B211‧‧‧Dodge interval

B212‧‧‧Negative pressure suction hole

B3‧‧‧carrying trough

W‧‧‧Electronic components

W1‧‧‧ electrode pad

W2‧‧‧ Illuminated surface

FIG. 1 is a schematic perspective view of a configuration in which a carrier disk is located in a measuring device in the first embodiment of the present invention.

FIG. 2 is a schematic perspective view of a carrier structure in the first embodiment of the present invention.

FIG. 3 is a schematic perspective view of a structure of a carrier plate and electronic components in the first embodiment of the present invention.

FIG. 4 is a schematic cross-sectional view of a carrier groove structure of a carrier disk in the first embodiment of the present invention.

FIG. 5 is a schematic perspective view of the covering part being arranged on the periphery of the loading slot in the first embodiment of the present invention.

FIG. 6 is a schematic diagram of an electronic component located in a receiving space of a loading slot in the first embodiment of the present invention.

FIG. 7 is a schematic diagram of an electronic component touching a cover part by a probe lifting in a first embodiment of the present invention.

FIG. 8 is a schematic perspective view showing a configuration in which a carrier disk is located in a measuring device in the second embodiment of the present invention.

FIG. 9 is a partial perspective view of a carrier structure in a third embodiment of the present invention.

FIG. 10 is a schematic diagram of the configuration of the covering member and the receiving member in the third embodiment of the present invention.

Please refer to FIG. 1. The carrier disk and the electronic component measurement method and device using the carrier disk according to the first embodiment of the present invention can be illustrated by the device shown in the figure, including: a carrier disk 1, which is a circular disk body It can be made of ceramics, metal, glass fiber, etc., the carrier 1 is set on a work table A, and the carrier 1 is arranged in a circle at the periphery of the carrier 1 in a concave groove at an equal interval, which can accept a self-vibrating feeder. (Not shown) The component W to be tested is input from the conveying channel, and the component W to be tested is transported in an intermittent rotating flow path; a limiting piece 2 is provided on the periphery of the carrier plate 1 and is enclosed outside the carrier groove 11 to Prevent the component to be tested W from being thrown out of the loading slot 11 by the centrifugal force during the conveying process, and the limiting piece 2 is provided with an empty and unblocked section 21, which is used to connect the conveying channel of the vibration feeder; A cover plate 3 is in the shape of an annular plate, which is arranged above the restricting plate 2. The inner diameter of the annular inner edge 31 is smaller than the outer diameter of the carrier plate 1, and a part of the annular inner edge 31 covers the carrier plate. Above each of the loading grooves 1 of 1, the cover plate 3 is provided with a section 32 that is vacant, and the section 32 corresponds to the section 21 of the limiting piece 2 for common formation. At the place where the conveying channel of the vibrating feeder is connected, the cover plate 3 is provided with a measurement area 4 where a measurement workstation can be set and a sorting area 5 where a sorting workstation can be set. The measurement area 4 is provided with a The light-transmitting sheet 41 and an optical measuring element 42, wherein the light-transmitting sheet 41 is a sapphire glass sheet, and the optical measuring element 42 is an integrating sphere.

Please refer to FIGS. 2, 3, and 4. The carrier grooves 11 of the carrier disk 1 according to the first embodiment of the present invention are arranged radially around the periphery of the carrier disk 1 in a radial manner. Asahi The disk 1 is recessed in the center direction. A covering portion 13 and a hollow portion 14 are provided above the loading slot 11. The covering portion 13 is integrally formed with the loading plate 1 and extends from the inner peripheral side of the loading slot 11 toward the center of the loading slot 11. Convexly, the covering portion 13 can cover the area of the peripheral edge of the top of the component W to be tested, the hollow portion 14 can reveal the top of the component W to be tested that is not covered by the covering portion 13, and an electronic component is provided under the covering portion 13 of the loading slot 11 W loading storage space 15; in this embodiment, the covering portions 13 are respectively provided on the left and right sides of the loading slot 11, but may also be provided on the inner and outer sides of the loading slot 11 or distributed on On the periphery of the loading slot 11 (as shown in FIG. 5), the hollow portion 14 is located between the covering portions 13 in two opposite directions; the left and right sides of the accommodation space 15 are provided with a dodge section 151 recessed from the inside to the outside, respectively. A negative pressure suction hole 152 is provided at the bottom of the inner side of the receiving space 15.

Please refer to FIGS. 1, 3 and 6. The device under test W is a light-emitting diode as an example, which has a rectangular parallelepiped shape. There are two electrode pads W1 at the bottom of the device under test W, which can be extended to the device under test. On the side of element W (Figure 3), a light-emitting surface W2 is provided on the top of the device W to be tested. During the detection, the electrode sheet W1 can be touched by the probe A1 located in the workbench A to cause the light-emitting surface W2 to emit light and make light. The optical characteristics can be measured through the hollow portion 14 and the light-transmitting sheet 41, and the optical characteristics can be measured by using the optical measuring element 42 located above the cover 13 and the light-transmitting sheet 41, or the electrical property can be measured simply by using the probe A1; The avoidance sections 151 on the left and right sides of the accommodation space 15 can provide side burrs to accommodate the component W to be tested due to processing and cutting, so that the component W to be measured can be prevented from being blocked when it is displaced in the loading slot 11 and can be easily moved in and out. Space 15, and if the carrier disk 1 is made of a metal material and the electrode sheet W1 is located on the side of the component W to be tested, the electrode sheet W1 located on the side of the component W to be tested can also avoid contact with the carrier groove 11 and become conductive. Causes measurement failure.

The method for measuring an electronic component according to the first embodiment of the present invention includes the following steps: A conveying step S1, so that the component W to be measured is covered by the cover 13 of the component 11 in the receiving space 15 of the support slot 11, and the area around the top edge of the component W is covered by the cover plate 1. The cover plate 1 is covered by the intermittent rotating flow path. The portion 13 and the loading slot 11 can rotate the conveying component W in the loading slot 11 to the measuring station 3 intermittently together. In a measurement step, when the component W to be tested stays in the measurement area 4, the probe A1 in the workbench A touches the electrode sheet W1 at the bottom of the component W to be tested, and lifts the component W to be tested until the component to be tested The top of W touches the cover portion 13 so that the cover portion 13 abuts against the left and right sides of the top of the component W to be measured (see FIG. 7). At this time, the power of the component W to be measured can be measured with the probe A1 alone. The optical characteristics of the component W to be measured are measured by the optical measuring element 42 above the covering portion 13 and the light-transmitting sheet 41 through the portion exposed by the hollow portion 14 without being blocked by the covering portion 13; The measuring element W is different from the measured physical characteristics, and is then sorted out by the sorting area 5.

The carrier disk of the first embodiment of the present invention and a method and device for measuring electronic components using the carrier disk are integrated with the carrier disk 1 above the carrier groove 11 when the carrier disk 1 rotates and transports the component to be measured W relative to the cover plate 2. The formed cover 13 can intermittently rotate with the loading slot 11 to protect the top of the component W to be tested, so that the component W to be tested will not be directly damaged by the friction with the cover plate 2 due to the bounce during the transportation process. ; When the carrier 1 stops rotating and the probe A1 lifts the component W to be tested, the cover 13 will block against the periphery of the top of the component W to be tested, so that the top of the component W to be tested will not directly touch the entire surface and transmit light. The sheet 41 can reduce the damage caused by the light-emitting surface W2 on the top of the component W to be tested, and can also prevent the top of the component W from being touched by the light-transmitting sheet 41 to prevent dust on the component W from being attached to the component. The light-transmitting sheet 41 affects the measurement accuracy in the future.

In the embodiment of the present invention, since the cover portion 13 of the carrier plate 1 can prevent the component to be measured W from jumping up and down in the carrier slot 11 during the transportation process, the setting of the cover plate 3 can be omitted in implementation, as shown in FIG. 8 As shown in the second embodiment of the present invention, the measurement area 4 'or the sorting area 5' is cooperatively set on the restriction piece 2 'or the work table A'.

Please refer to FIGS. 9 and 10. In the third embodiment of the present invention, the carrier plate B is a combination of a cover member B1 and an admittance member B2, so that both the cover member B1 and the admittance member B2 can be combined. At the same time, intermittent rotation is performed. Both the cover member B1 and the admittance member B2 are circular disks and have the same outer diameter (the circular disk body is only shown in the figure). The cover element B1 is compared with the admittance member B2. It has a relatively thin thickness; the cover member B1 is located above the carrier plate B, and the receiving member B2 is located below the carrier plate B. The peripheral edge of the cover member B1 is provided with a plurality of equally spaced concave grooves B11, and the receiving member B2 Corresponding to the slot B11, a plurality of equally spaced recessed receiving slots B21 are arranged on the periphery of the receiving member B2. The slot B11 has a smaller width than the receiving slot B21, and the left and right sides of the receiving slot B21 A dodge section B211 is provided at the bottom, and a negative pressure suction hole B212 is provided at the bottom of the inner side of the receiving slot B21. When the covering member B1 and the receiving member B2 are combined, the upper slot B11 and the lower receiving slot Both grooves B21 form the loading groove B3 of the tray B, and because the engraved groove B11 has a smaller width than the receiving groove B21, the engraved groove B11 can partially cover the receiving groove B21 and use the inner edge of the engraved groove B11. A cover portion B12 is formed, and a hollow portion B13 is formed between the cover portions B12 on the left and right sides.

However, the above are only the preferred embodiments of the present invention. When the scope of implementation of the present invention cannot be limited by this, that is, the simple equivalent changes and modifications made according to the scope of the patent application and the description of the invention, All are still within the scope of the invention patent.

1‧‧‧ tray

11‧‧‧ Loading trough

13‧‧‧ cover

14‧‧‧ Hollow

15‧‧‧ Admission space

151‧‧‧Dodge interval

152‧‧‧Negative pressure suction hole

Claims (12)

A carrier tray includes: a plurality of carrier slots, which are arranged in a circle on the periphery of the carrier tray, and above the carrier slot is provided a protrusion extending from the inner peripheral side of the carrier slot toward the center of the carrier slot and covering the top of the component to be tested A covering area of a partial area is provided with a receiving space for loading the component to be tested under the loading slot. When the loading disc is intermittently rotated to carry the component to be tested, the covering portion and the loading slot can rotate intermittently together. As described in item 1 of the scope of the patent application, the left and right sides of the storage space are respectively provided with a dodge section. According to the carrier plate described in the first item of the patent application scope, a hollow portion is provided above the carrier groove, and the top of the electronic component not covered by the covering portion can be exposed. The carrier plate according to item 1 of the scope of patent application, wherein the covering portion is provided on the inner and outer sides of the carrier groove. As described in item 1 of the scope of patent application, the cover portion is provided on the left and right sides of the load slot. The carrier plate according to item 1 of the scope of patent application, wherein the covering portion is provided on the periphery of the carrier groove. The carrier tray according to item 1 of the scope of the patent application, wherein the carrier slot is formed by a slot of a covering member and a receiving slot of a receiving member, and the covering member and the receiving member may be intermittent together. Sexual rotation. The carrier tray according to item 7 of the scope of the patent application, wherein the covering member is located above and the admitting member is located below, the peripheral edge of the covering member is arranged with a plurality of engraved grooves, and the position of the receiving member corresponding to the engraved grooves is on the receiving member. A plurality of receiving grooves are arranged in the peripheral ring, and the engraved groove has a smaller width than the receiving groove. The inner edge of the engraved groove can be partially covered above the receiving groove to form a covering portion. An electronic component measurement method using the carrier disc as described in any one of claims 1 to 8 of the scope of patent application, including: a carrying step, the carrier disc intermittently rotates the flow path to make the cover part and the carrier intermittently Rotate to transfer the DUT in the loading tank to a measurement area. In a measurement step, when the DUT stays in the measurement area, the probe element touches the DUT upwards, and lifts the DUT to make the DUT The measuring element is blocked by the cover. The method for measuring an electronic component according to item 9 of the scope of the patent application, wherein the measuring step includes: exposing the top of the component to be measured by a hollow portion through an uncovered portion, and measuring with an optical measuring element above the covering portion. Measure the optical characteristics of the component under test. An electronic component measurement device includes a device using the electronic component measurement method according to any one of claims 9 to 10 of the scope of patent application. According to the eleventh aspect of the patent application scope of the present invention, a light-transmitting sheet is provided above the cover portion of the carrier disk in the measurement area.