KR102272262B1 - Hander for testing electronic components - Google Patents

Abstract

The present invention relates to a handler for testing electronic components.
According to the present invention, the recognition direction of the identifier recognition device for recognizing the identifier of the electronic component can be switched. Accordingly, the construction cost and production unit cost of the test system can be reduced, and the operation rate of the handler can be improved.

Description

Handler for testing electronic components {HANDER FOR TESTING ELECTRONIC COMPONENTS}

The present invention relates to a handler for testing electronic components, and more particularly, to a technology for individually managing electronic components to be tested.

Produced electronic components are tested by testers and then divided into good and defective products, and only good products are shipped.

When testing an electronic component, the electrical connection between the tester and the electronic component is made by a handler for testing electronic components (hereinafter referred to as a 'handler').

Regarding the technology of the handler, it has been suggested through a number of patent documents such as Korean Patent Publication No. 10-2016-0135403 (hereinafter referred to as 'prior art').

In general, as in FIG. 1 , the handler 100 includes a loading device 111 , a soak chamber 113 , a test chamber 115 , a connection device 116 , a de-soak chamber 117 , an unloading device 119 , It includes supply stackers 120a and 120b, recovery stackers 121a to 121c and a transfer device 122 .

The loading device 111 loads the electronic components to be tested from the transport tray CT at the supply position SP to the test tray TT at the loading position LP.

The soak chamber 113 is provided to apply thermal stimulation to the electronic components loaded on the test tray TT from the loading position LP. Produced electronic components are sometimes tested at room temperature, but in most cases, they are tested at high or low temperatures because it is necessary to consider the thermally harsh use environment (high or low temperature). A soak chamber 113 is provided to apply such thermal stimulation.

The test chamber 115 provides a space in which the electronic components loaded in the test tray TT passed through the soak chamber 113 can be tested. For this purpose, the tester TESTER is coupled to the test chamber 115 side.

The connection device 116 presses the electronic components of the test tray TT at the test position TP in the test chamber 115 toward the test socket side of the tester so that the electronic components can be electrically connected to the test socket. do.

The desoak chamber 117 is provided to remove thermal stimulation from the electronic components loaded on the test tray TT from the test chamber 115 . Accordingly, the electronic component from which the thermal stimulus has been removed in the desoak chamber 117 can be properly unloaded from the test tray TT by the unloading device 119 .

The unloading device 119 moves the electronic components from the test tray TT brought to the unloading position UP to the empty transport tray CT located in the recovery position RP while unloading the electronic components.

For reference, the above loading position (LP), test position (TP), and unloading position (UP) are named based on the position of the test tray (TT), and a plurality of electronic components are located in the test tray (TT). A closed circular path C that can be loaded and leads to the loading position LP via the loading position LP, the test position TP and the unloading position UP above by means of transport devices (not shown) ) is transported along the

Transport trays CT on which electronic components to be tested are loaded are loaded in the supply stackers 120a and 120b provided in the stacker portion SPT, and the electronic components that have been tested are stored in the recovery stackers 121a to 121c. The loaded transport trays (CT) are loaded.

The transfer device 122 withdraws the transport tray CT from the supply stackers 120a and 120b and supplies it to the supply position SP, or transfers the transport tray CT at the recovery position RP to the recovery stacker ( 121a to 121c). To this end, the transfer device 122 has at least one transfer for moving the transport tray CT.

Electronic components to be tested in the handler 100 having the above configuration are supplied from the supply stackers 120a and 120b along the transport tray CT to the supply position SP, and the electronic components that have been tested are returned to the recovery position ( It is recovered from the recovery position RP along the transport tray CT in the RP to the recovery stackers 121a to 121c.

Meanwhile, in recent years, after recognizing barcodes provided on electronic components, the history (production plant, line, lot information, etc.) and test results of the corresponding electronic components have been individually managed. Accordingly, as in the prior art, the handler is provided with a scanner capable of reading a barcode.

In most cases, the handler 100 is operated once based on the quantity of one lot in order to prevent the quantity of different lots from being mixed. However, large electronic components, such as a module with dozens of semiconductor devices mounted thereon, are specially manufactured for the final product, so the quantity of 1 lot is small. Therefore, in order to test the quantity of multiple lots, the handler 100 must be operated several times, which contributes to a decrease in the operation rate of the handler 100 .

In addition, although barcodes are located on a specific side of electronic components in the past, a case in which a barcode is located on the opposite side of the specific side cannot be excluded in the future. If the barcode is located on the opposite side, a handler capable of recognizing the barcode on the opposite side must be used or all scanners capable of reading barcodes on the other side must be provided.

Furthermore, even if electronic components are mixed with each other, assuming that the quantity of several lots is processed with one operation of the handler, lots with barcode positions on different sides cannot be supplied together to the handler, and this also points to the handler (100) cause a decrease in the operating rate of

The present invention has the following objects.

First, a handler capable of handling all electronic components of lots with different sides provided with an identifier such as a barcode is proposed.

Second, we present a handler that can process electronic components of several lots with different barcode-equipped surfaces by one-time operation of the handler, and can further prevent the electronic components of different lots from being mixed.

A handler for testing electronic components according to the present invention includes: a loading device for loading electronic components to be tested from a transport tray at a supply position to a test tray at a loading position; an identifier recognizing device for recognizing identifiers individually provided to electronic components moved by the loading device; a connection device electrically connecting the electronic components loaded on the test tray moved from the loading position to the test position after the loading by the loading device is completed to the tester; an unloading device for unloading the electronic components that have been tested from the test tray moved from the test position to the unloading position after the test of the electronic components is completed and moving them to the transport tray located at the recovery position; a stacker portion on which a plurality of transport trays can be loaded in order to supply transport trays loaded with electronic components to be tested to the supply position or to collect transport trays loaded with electronic components that have been tested and retrieved from the recovery position; a transfer device for supplying a transport tray loaded with electronic components to be tested from the stacker part to the supply position, and recovering a transport tray loaded with electronic parts for which testing is completed from the recovery position to the stacker part; and a controller for controlling the respective components and individually managing the electronic components whose identifiers are recognized by the identifier recognition device. Including, wherein the identifier recognition device includes a plurality of recognizers for recognizing the identifiers in the electronic components moved by the loading device, respectively; a converter for rotating the plurality of recognizers by a predetermined angle to change the recognition directions of the plurality of recognizers; Including, the controller controls to switch the recognition direction of the plurality of recognizers according to the recognition direction that can recognize the identifier.

The identifier recognition apparatus includes: a mover for moving the plurality of recognizers in a horizontal direction so that each recognizer whose recognition direction is switched by the switcher can move to a position where the identifiers in each electronic component can be properly recognized; further includes

The stacker part includes a plurality of storage stackers capable of receiving and stacking trays for transport, respectively, and at least one storage stacker of the plurality of storage stackers has different storage stackers and different electronic components for transport. Trays can be stored and stacked, and the controller transfers the individual transport trays to be recovered from the supply position through the recovery position to the plurality of storage stackers by the transfer device. The transfer device is controlled so as to be retrieved as it is, but the lot information of the electronic component is determined for each of the plurality of storage stackers to determine whether the converter is operated.

The plurality of recognizers are located above the electronic components, and the recognition direction for recognizing the identifier is a diagonal direction.

According to the present invention, there are the following effects.

First, by changing the recognition direction by the recognizers, it is possible to reduce the construction cost by making it possible to process all electronic components having different surfaces with identifiers.

Second, since it is possible to move the recognizers horizontally, there is no need to increase the number of recognizers, thereby reducing the production cost.

Third, quantities of different lots with different identifiers can be processed continuously, and the transport tray and electronic components loaded therein are returned as they are to the storage stacker from which they were originally drawn, preventing mixing of quantities of different lots do. Therefore, the quantity of several lots can be continuously tested by one operation of the handler, thereby improving the operation rate of the handler.

1 is a conceptual plan view of a conventional handler for testing electronic components.
2 is a conceptual plan view of a handler for testing electronic components according to an embodiment of the present invention.
3 is a plan view showing a state in which electronic components are loaded on a loading table provided in the handler of FIG. 2 .
4 is a reference view for explaining a surface provided with a barcode in an electronic component.
5 is a partially exploded perspective view of the identifier recognition device applied to the handler of FIG. 2 .
6 shows a state in which the loading table is positioned at a recognition position where the barcode of the electronic component can be recognized from the front.
7 is a reference diagram for explaining a situation in which the recognition direction of the identifier recognizing apparatus needs to be switched.
8 shows a state in which the recognition direction of the identifier recognizing apparatus is switched.
9 shows a state in which the recognition area of the identifier recognizing apparatus is calibrated.
10 to 13 are reference views for explaining other examples of the identifier recognition apparatus.

A preferred embodiment according to the present invention will be described with reference to the accompanying drawings, but for the sake of brevity of the description, descriptions of overlapping or substantially the same components are omitted or compressed as much as possible.

<Description of the handler>

2 is a conceptual plan view of a handler 200 according to an embodiment of the present invention.

The handler 200 of FIG. 2 includes a loading device 211 , an identifier recognition device 212 , a soak chamber 213 , a first rotator 214 , a test chamber 215 , a connection device 216 , and a de-soak chamber ( 217 ), a second rotator 218 , an unloading device 219 , a stacker portion 220 , a transfer device 222 , a label printer 223 and a controller 224 .

The loading device 211 loads the electronic components to be tested from the transport tray CT at the supply position SP to the test tray TT at the loading position LP. The loading device 211 includes a loader 211a and a loading shuttle 211b.

The loader 211a moves electronic components from the transport tray CT at the supply position SP to the loading table 211b-1 of the loading shuttle 211b, or from the loading table 211b-1 to the loading position ( Move the electronic components to the test tray (TT) in the LP).

The loading shuttle 211b has a loading table 211b-1 capable of reciprocating in the front and rear directions.

The loading table 211b-1 may be located on the left side of the supply position SP or located on the left side of the loading position LP by its movement. Due to this, it is possible to improve the loading speed by minimizing the moving distance of the electronic components moved by the loader 211a. If fast loading is further required, a plurality of loading tables 211b-1 may be provided on the loading shuttle 211b. The loading table 211b-1 can load a total of 16 electronic components D, 8 in two rows, in front and rear, as shown in the plan view of FIG. 3 .

The identifier recognizing device 212 recognizes the identifiers of the electronic components D loaded on the loading table 211b-1, so that the history and test results can be managed for each electronic component D. Here, it may be considered that the identifier is preferably provided as a barcode, but the identifier is not necessarily limited to the barcode. The identifier recognizing device 212 will be described later in more detail by dividing the table of contents.

For reference, so that the identifiers of the electronic components (D) can be read by the identifier recognition device (212), the loading table (211b-1) on which the electronic components (D) is moved from the front to the rear identifier recognition device (212) is temporarily stopped at a position where the identifier can be recognized.

The soak chamber 213 is provided to apply thermal stimulation to the electronic components D loaded on the test tray TT from the loading position LP.

The first rotator 214 posture-converts the test tray TT in the horizontal state to the vertical state. That is, in the handler 100 according to the present embodiment, the electronic components D loaded on the test tray TT in a state in which the test tray TT is vertically erected by the first rotator 214 is a tester (TESTER). It is a vertical handler that can be electrically connected to

The test chamber 215 provides a space in which the electronic components D loaded in the test tray TT passed through the soak chamber 213 can be tested.

The connection device 216 presses the electronic components D of the test tray TT at the test position TP in the test chamber 215 toward the test socket side of the tester TESTER, so that the electronic components D are connected to the test socket. to be electrically connected to

The dissoak chamber 217 is provided to remove thermal stimulation from the electronic component D loaded on the test tray TT from the test chamber 215 .

The second rotator 218 converts the posture of the test tray TT in the vertical state back to the horizontal state before unloading the test-completed electronic components D from the test tray TT. Of course, the second rotator 218 and the aforementioned first rotator 214 are omitted in the horizontal handler in which the electronic components D are electrically connected to the tester while the test tray TT is horizontal.

The unloading device 219 unloads the electronic components (D) from the test tray (TT) that came to the unloading position (UP) and classifies them according to the test results, and the empty transport tray (CT) in the recovery position (RP) move to The unloading device 219 also includes an unloader 219a and an unloading shuttle 219b.

The unloader 219 classifies the tested electronic component D from the test tray TT in the unloading position UP according to the test result, while the unloading table 219b-1 of the unloading shuttle 219b ), or the electronic components (D) that have been tested from the unloading table (219b-1) are moved to the transport tray (CT) in the recovery position (RP). If you want to increase the unloading speed, the first unloader for moving the electronic component (D) that has been tested from the test tray (TT) in the unloading position (UP) to the unloading table (219b-1) and It may be divided into a second unloader that moves the electronic components D that have been tested from the unloading table 219b-1 to the transport tray CT in the recovery position RP.

The unloading shuttle 219b has an unloading table 219b-1 capable of reciprocating in the front-rear direction. Of course, the unloading table 219b-1 may be positioned on the left side of the unloading position UP or adjacent to the rear of the recovery position RP by its movement. In addition, a plurality of unloading tables 219b-1 may be provided to increase the unloading speed.

Even in the handler 200 according to the present embodiment, the test tray TT passes through the loading position LP, the test position TP, and the unloading position UP by means of transport devices (not shown) to the loading position LP. It is transported along a closed circulation path (C) leading to

The stacker portion 220 is provided to accommodate and load the transport trays (CT). This stacker part 220 has four storage stackers 220a to 220d and one standby stacker 220e, and the storage stackers 220a to 220d are 2 with the standby stacker 220e interposed therebetween. are placed separately. Of course, according to the implementation, it is sufficient if two or more of the receiving stackers 220a to 220d are provided, and the number of divided stackers with the standby stacker 220e therebetween may be different.

The storage stackers 220a to 220d are respectively provided to accommodate and load the transport trays CT to be supplied to the supply position SP or to accommodate and load the transport trays CT recovered from the recovery position RP. In addition, for each storage stacker 220a to 220d, a transport tray CT on which electronic components D of different lots are loaded may be loaded. For example, in the storage stackers 220a and 220b, one lot of electronic components (D) are loaded with transport trays (CT), and in the storage stackers 220c and 200d, 2 lots of electronic components (D) are loaded. Transport trays (CT) may be loaded. Of course, the respective storage stackers 220a to 220d may be loaded with transport trays CT on which electronic components D of different lots are loaded. At this time, as shown in (a) of FIG. 4, one lot of electronic components (D ₁ ) is provided with a barcode (B) provided as an identifier on the left side, and two lots of electronic components (D 1 ) as in FIG. 4 (b). Parts (D ₂ ) may be provided with a barcode (B) on the right side. That is, 1 lot of electronic components (D ₁ ) and 2 lots of electronic components (D ₂ ) have barcodes (B) on opposite sides of each other.

The standby stacker 220e provides a space for the transport trays CT to wait for a while in order to facilitate the transport operation of the transport tray CT by the transfer device 222 . A predetermined number of empty transport trays (CT) may be pre-loaded on the standby stacker 221 , and in this case, the empty transport trays (CT) are defective electronic components (D) or electronic components (D) requiring retesting. It can be used for storing things.

The transfer device 222 is responsible for the distribution of the transport tray CT. That is, the transfer device 222 supplies the transport tray CT on which the electronic components D to be tested are loaded to the supply position SP, and the empty transport tray with the electronic components D empty at the supply position SP ( CT) is supplied to the recovery position RP, and the storage stackers 220a to 220d from which the transport tray CT on which the tested electronic components D are loaded are drawn from the recovery position RP. ) is returned as it is. In order to perform this operation quickly and smoothly, the transfer device 222 may selectively load the transport tray CT on the standby stacker 220e as needed in the process of moving the transport tray CT. .

The label printer 223 prints lot information or information according to the test result on the label, and attaches the label to the transport tray CT on which the test electronic components D are loaded. When the label is attached to the transport tray CT, the transport tray CT maintains a state held by the transfer device 222 . Here, the electronic components (D) that have been tested are delivered to customers while being contained in a transport tray (CT) with a label attached by the label printer 223 . In order to enable the operation of the label printer 2230, the transfer device 222 transfers the transport tray CT held at the recovery position RP to the storage stackers 220a to 220d via the label printer 223 side. move it

The controller 224 controls each of the above-described components, and individually manages the electronic components D recognized by the identifier recognition device 212 . That is, the controller 224 may control each of the above components in a state where both the history and the test result of the arbitrary electronic component D are grasped. In addition, the controller 224 transmits the individual transport trays CT to be recovered from the supply position SP through the recovery position RP to the storage stackers 220a to 220d. The transfer device 222b is controlled so that the storage stackers 220a to 220d are recovered as they are. According to the implementation, the controller 224 includes a first controller that manages general processes and electronic components D required for test support, and a second controller that performs control such as switching the recognition direction of the identifier recognition device 212 . It can also be divided into controllers.

<Description of how to transport the handler's transport tray>

The transport trays CT loaded on each of the storage stackers 220a to 220d are supplied to the supply position SP and then returned to the storage stackers 220a to 220d that have been withdrawn through the recovery position SP.

1. Description of the process of supplying to the supply location (SP)

The transport trays CT loaded on the storage stackers 220a and 220b in front of the supply position SP are directly supplied to the supply position SP.

On the other hand, the transport tray CT loaded on the storage stacker of symbols 220c and 220d in front of the recovery position RP is the current working situation, whether another transport tray CT is located in the supply position SP. , may be supplied to the supply position SP through the standby stacker 220e depending on the positions of the receiving stackers 220c and 220d, and the like. For example, the transport tray CT loaded on the storage stacker of reference numeral 220c may be directly transferred to the supply position SP, or may be transferred to the supply position SP through the standby stacker 220e. However, the transport tray CT loaded on the storage stacker of the symbol 220d located farthest from the supply position SP is first moved to the standby stacker 220e, waits, and then is supplied to the supply position SP. desirable.

2. Description of the process of supplying to the recovery location (RP)

The empty transport tray CT in which the electronic components D are emptied from the supply position SP is directly returned to the recovery position RP by the transfer device 222 according to the situation of the current recovery location RP or the conditions of other operations. It may be transferred or transferred through the standby stacker 220e. Since the transport tray CT, in which the electronic components D are emptied from the supply position SP, is sequentially transferred to the recovery position RP, the electronic components D that have been tested before the test are carried out for transportation It is loaded back to the tray (CT) as it is.

3. Description of the process of recovery to the storage stackers 220a to 220d

The transport tray CT filled with the electronic component D that has been tested at the recovery position RP is recovered to the storage stackers 220a to 220d that have been drawn out through the label printer 223 side by the transfer device 222, respectively. do.

<Specific description of the identifier recognition device>

The identifier recognition device 212 includes eight recognizers 212a, a converter 212b, and a mobile device 212c, as shown in a partially exploded perspective view of FIG. 5 .

The eight recognizers 212a are arranged in the left and right directions, and have a recognition module 212a-1 and a rotation shaft 212a-2, respectively.

The recognition module 212a-1 recognizes an identifier on the left or right side of the electronic component D located below.

The rotating shaft 212a-2 is provided to rotate the recognition module 212a-1 by a predetermined angle, and extends backwardly.

The diverter 212b changes the recognition direction of the recognizers 212a by rotating the recognizers 212a by a predetermined angle (eg, 90 degrees). To this end, the diverter 212b includes a diverting cylinder 212b-1, a diverting rod 212b-2, eight rotating members 212b-3, and an installation member 212b-4.

The conversion cylinder 212b-1 is provided as a power source that provides power for rotating the recognizers 212a by a predetermined angle.

The switching rod 212b-2 is moved by a predetermined interval in the left and right direction by the switching cylinder 212b-1 to transmit the power of the switching cylinder 212b-1 to the rotating member 212b-3.

The rotating member (212b-3) is hinged to the lower end of the conversion bar (212b-2), the upper end is coupled to the rotating shaft (212a-2). Accordingly, the rotation member 212b-3 is rotated by a predetermined angle based on the rotation shaft 212a-2 when the switching rod 212b-2 moves in the left and right horizontal directions. And the recognizers (212a) coupled to the rotating member (212b-3) by the rotating shaft (212a-2) is also rotated in conjunction with the rotation of the rotating member (212b-3).

The installation member (212b-4) is provided to install the conversion cylinder (212b-1), it is provided to be movable in the left and right direction.

The mover 212c moves the recognizers 212a, the switcher 212b, and the installation member 212b-3 in the left and right horizontal directions. To this end, the mover 212c includes a driving motor 212c-1, a driving pulley 212c-2, a driven pulley 212c-3, a rotating belt 212c-4, a moving plate 212c-5 and a guide rail ( 212c-6).

The driving motor 212c-1 is a power source that provides power for moving the moving plate 212c-5 in the left and right horizontal directions.

The rotating belt 212c-4 rotates forward and reverse using the driving pulley 212c-2 and the driven pulley 212c-3 as rotation return points.

The moving plate (212c-5) moves in the left and right direction in association with the rotating belt (212c-4) which rotates forward and reverse by the forward and reverse operation of the driving motor (212c-1). The movable plate 212c - 5 may be divided into a holding portion GP and a coupling portion JP.

The gripping portion GP has eight gripping holes GH arranged in a horizontal direction. The rotation shaft 212a-2 of the recognizer 212a passes through the gripping hole GH. That is, the rotating shaft 212a-2 passes through the gripping hole GH and is coupled to the rotating member 212b-3. The lower end of the holding portion GP is coupled to the installation member 212b-4.

The coupling portion JP extends from the upper side of the gripping portion GP to the rear and is coupled to the upper portion of the rotary belt 212c-4.

The guide rail 212b-6 guides the left and right movement of the moving plate 212c-5.

Next, the operation of the identifier recognition device 212 having the above configuration will be described. From the following description, the identifier is referred to as a barcode, which is a specific form of the identifier.

6 shows a state in which the loading table 211b-1 is _{located at a recognition position where the barcode B of the electronic component D 1} can be recognized from the front, and the electronic component D _{1 to be tested} A barcode (B) is provided on the left side of the _{electronic component (D 1 ).}

In the state shown in FIG. 6 , since the recognition direction (refer to the dotted arrow 'a') is already set so that the recognizers 212a face the left side of the _{electronic components D 1 , the rotation or horizontal movement of the recognizers 212a is} It is not necessary, and in this state, _{the barcodes B of the electronic components D 1} loaded on the loading table 211b-1 may be read by the recognizers 212a.

However, as shown in FIG. 7 , when _{the barcode B of the electronic component D 2} to be tested is provided on the right side, the recognition direction of the recognizers 212a must be switched.

Therefore, in the state of FIG. 7 , the controller 224 operates the switching cylinder 212b-1 so that the recognizers 212a face _{the right side of the electronic component D 2} as shown in FIG. 8 in the recognition direction (dotted arrow 'b'). see) is converted. However, in the state of FIG. 8 , since the recognition area moves to the left by the angle at which the recognizers 212a are rotated, the electronic components D ₂ on the right deviate from the recognition area by the identifier recognizing device 212 . Accordingly, the controller 224 operates the mover 212c to move the recognizers 212a to the right by a required distance as shown in FIG. 9 , so that the eight recognizers 212a correspond to the eight electronic components D ₂ , respectively. make it possible

According to the above operation, the identifier recognition device 212 can recognize both the electronic component D _{1 having the barcode B on the left side or the electronic component D 2} having the barcode B on the right side. do.

In the above description, for clarity of explanation, the process of switching the recognition direction and the process of horizontally moving the recognizer 212a are sequentially described through FIGS. 7 to 9, but the horizontal movement is first performed and the direction change is performed. It may be implemented such that an operation of changing the recognition direction and an operation of horizontally moving the recognizer 212a are simultaneously performed.

Furthermore, it may be implemented to operate by selecting only one of direction change and horizontal movement, which will be described next.

For example, if the mover 212c is not provided, more recognizers 212a than the number of rows of _{electronic components D 1} and D ₂ as shown in FIGS. 10 (a) and (b) will have to be provided. . In this case, there is no need for horizontal movement.

And it is assumed that the number (16 pieces) of the electronic components (D) loaded in one row on the loading table (211b-1) is more than the number (8 pieces) of the recognizers (212a) as shown in (a) of FIG. can In this case, when the recognizers 212a recognize the barcodes B of the left eight electronic components D as in (a) of FIG. 11, the recognizers 212a are horizontally moved to the right as in FIG. 11(b). After moving, the barcode (B) of the remaining eight electronic components (D) on the right is recognized. Therefore, according to the present example, the direction change of the recognizer 212a is not required, only the horizontal movement of the recognizer 212a is performed.

Alternatively, as in (a) of FIG. 12, the interval of the recognizers 212a is doubled as the interval of the electronic components (D), and the barcode in the first odd-numbered electronic components (D) in the state of FIG. 12 (a) It may be implemented to recognize (B), and to recognize barcodes (B) in even-numbered electronic components (D) in the state in (b) of FIG. 12 .

On the other hand, according to the present invention, it has already been described that different lots of electronic components (D) can be accommodated for each storage stacker (220a to 220d). In this case, the controller 224 determines whether or not the switcher 212b operates by determining the lot information of the electronic component D in the storage stackers 220a to 220d where the transfer of the transport tray CT starts. For example, one lot of electronic components (D ₁ , having a barcode on the left side) in the storage stacker of reference number 220a, followed by 2 lots of electronic components (D ₂ , right side) in the storage stacker of reference number 220b When the barcodes are to be loaded into the test tray (TT), the controller 224 pre-identifies the lot information of 2 lots, and when the identification of the identifiers for _{the electronic components (D 1 ) of 1 lot is completed, the identifier} The recognition device 212 is operated to bring it to the state of FIG. 9 . Here, the lot information also includes information on which side the electronic component (D) of the lot has the barcode (B). Of course, one of Eilat of the electronic component (D ₁₎ and 2 lots of electronic components (D ₂₎ in this case provided with a bar code (B) on the same side to the identifier recognition unit 212 is held in the previous state. At this time, lot information for each storage stacker 220a to 220d (including information on the attachment position of the barcode) is input by the administrator through an input device (not shown) before or after the quantity input <input step> and the controller 224 controls the identifier recognition device 212 according to the input information <control step>.

According to the present invention, when the quantity of the same lot is stored in all of the receiving stackers 220a to 220d or all the electronic components D to be tested even if the lots are different, the barcode (B) is provided on the same side, A change in the recognition direction of the identifier recognizing device 212 is not required in the corresponding operation process, and the new electronic components D are stored in the storage stackers 220a to 220d during the next operation after the new electronic components D are accommodated. A change of the recognition direction may be selectively requested according to lot information. However, if different quantities of lots are stored in at least one storage stacker (220a/220b/220c/220d) and the side provided with the barcode (B) is different, the recognition direction of the identifier recognition device 212 in the operation process is different. Switching must be made, and in this case, the controller 224 determines whether the switcher operates by determining lot information of the electronic component D for each storage stacker 220a/220b/220c/220d.

<References>

In the above embodiment, the recognizer 212a is located above the electronic components D mounted on the loading table 211b-1, and therefore the recognition direction for recognizing the barcode B of the recognizers 212a is a vertical line. It can be seen that the direction of the oblique line forming a certain angle to . And it should be noted that the width of the loading table 211b-1 or the width of the identifier recognition device 212 can be greatly reduced due to this technical implementation, and the rotation angle of the recognizers 212a can be minimized.

For example, if the recognizer 212a is provided to face the barcode B on the electronic component D as shown in FIG. 13 , the rotation angle of the recognizer 212a should be 180 degrees according to the position change of the barcode B. In addition, the interval between the electronic components D must be widened, and the interval between the recognizers 212a must also be widened. In this case, not only the width of the identifier recognizing device 212 and the loading table 211b-1 must be greatly increased, but also the structure for rotating the recognizers 212a becomes much more complicated. Therefore, the size of the equipment may increase, and the production cost may increase. However, if the number of electronic components D that can be loaded on the loading table 211b-1 is reduced in order to reduce the size of the equipment, the processing speed becomes slow. However, in the present invention, by taking the recognition direction of the recognizer 212a in an oblique direction, all problems that may arise from the configuration shown in FIG. 13 are solved.

As described above, the detailed description of the present invention has been made by the embodiments with reference to the accompanying drawings, but since the above-described embodiments have only been described with preferred examples of the present invention, the present invention is limited to the above embodiments only. It should not be construed as being limited, and the scope of the present invention should be understood as the following claims and their equivalents.

200: Handler for testing electronic components
211: loading device
212: identifier recognition device
212a: recognizer 212b: switcher
212c : mover
216: connection device
219: unloading device
220a to 220d: storage stacker
222: transfer device
224: controller

Claims (4)

a loading device for loading electronic components to be tested from the transport tray at the supply position to the test tray at the loading position;
an identifier recognizing device for recognizing identifiers individually provided to electronic components moved by the loading device;
a connecting device electrically connecting the electronic components loaded on the test tray moved from the loading position to the test position after the loading is completed by the loading device to the tester;
an unloading device for unloading the electronic components that have been tested from the test tray moved from the test position to the unloading position after the testing of the electronic components is completed and moving them to the transport tray located at the recovery position;
a stacker portion on which a plurality of transport trays can be loaded in order to supply transport trays loaded with electronic components to be tested to the supply position or to collect transport trays loaded with electronic components that have been tested and retrieved from the recovery position;
a transfer device for supplying a transport tray loaded with electronic components to be tested from the stacker part to the supply position, and recovering a transport tray loaded with electronic parts for which testing is completed from the recovery position to the stacker part; and
a controller controlling each of the above-described components and individually managing electronic components whose identifiers are recognized by the identifier recognition device; including,
The identifier recognition device,
a plurality of recognizers for recognizing the identifiers in the electronic components moved by the loading device, respectively;
a converter for rotating the plurality of recognizers by a predetermined angle to change the recognition directions of the plurality of recognizers; including,
The controller controls to switch the recognition direction of the plurality of recognizers according to a recognition direction capable of recognizing the identifier.
Handler for testing electronic components. According to claim 1,
The identifier recognition device includes: a mover for moving the plurality of recognizers in a horizontal direction so that each recognizer whose recognition direction is switched by the switcher can move to a position where the identifiers in each electronic component can be properly recognized; further comprising
Handler for testing electronic components. According to claim 1,
The stacker part includes a plurality of storage stackers that can accommodate and load trays for transport, respectively,
In at least one storage stacker among the plurality of storage stackers, a transport tray loaded with electronic components having different lots from other storage stackers may be accommodated and stacked,
The controller controls the transfer device so that the individual transport trays to be recovered to the plurality of storage stackers from the supply position through the recovery position by the transfer device are directly recovered to the storage stacker from which the individual transport trays have been drawn out. Control, but determine whether to operate the converter by determining the lot information of the electronic component for each of the plurality of storage stackers
Handler for testing electronic components. According to claim 1,
The plurality of recognizers are located above the electronic components, and the recognition direction for recognizing the identifier is a diagonal direction.
Handler for testing electronic components.

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