Abstract: There is disclosed a method for handling a module IC and a carrier of a module IC handler used for transferring the carrier containing a plurality of module ICs between the processes. While a separate carrier containing the produced module ICs is transferred between the processes, the tests for the module ICs are performed. Thus, the reliability of the product discharged can be further improved, and the operation rate of a high-cost test apparatus is maximized. For this, a plurality of module ICs 1 vertically loaded in the carrier are transferred inside a heating chamber 22, the tests for the module ICs 1 are conducted at a test site 7 under the state that the module ICs 1 are contained in the carrier 18, and then at an unloading position 20, the module ICs having been tested are held by pick-up means 8 in an unloading side and classified based upon the test results and the classified module ICs are placed in customer trays 9.

Abstract: A parts suction head includes: a motor for generating a rotary force and transmitting the rotary force to a rotation central axis; a ball spline unit for performing a rotation movement and vertical reciprocation; a rotation shaft unit moved in a vertical direction and rotated, for sucking or mounting a parts; and a plurality of couplings for transmitting the rotary force of the rotation central axis of the motor to the ball spline unit, and transmitting the rotary force of the ball spline unit to the rotation shaft unit. Therefore, the rotation central axes can be easily aligned by connecting the motor, the ball spline unit and the rotation shaft unit by using the couplings.

Abstract: The present invention relates to a fan apparatus for a chamber of a handler which prevents the breakage of a bearing housing by a guide recess and a key slidable to the guide recess along the axis varied due to a thermal stress generated in the axial direction of the fan apparatus according to a change in temperature of the fan apparatus mounted inside the chamber. The fan apparatus includes: a first housing having a first guide recess formed; a second housing contained in the first housing and slidable therein; a bearing being installed inside the second housing and supporting the shaft; a plurality of labyrinths being installed at both sides of the bearing and supporting the bearing; and a push cover covering the second housing inserted into the first housing.

Abstract: A parts suction head having a non-contact sealing head is disclosed. The head includes: a moving block having first air passages on its upper surface and having a first hollow unit in a longitudinal direction; a spacer having second air passage connected to the first air passage for air flow, and having a second hollow unit in a longitudinal direction; a rotation shaft being inserted into the second hollow unit of the spacer at interval and having third air passage connected to the second air passage for air flow, and having a third hollow unit in a longitudinal direction; and flanges for sealing up an interval between the spacer and the rotation shaft. The rotation shaft is installed in the moving block in a non-contact type by using the spacer to prevent the non-linear frictional force.

Abstract: The present invention relates to a rotation sensing device of a fan apparatus adapted to a chamber in a handler which can sense whether the fan apparatus is rotated or not by using a sensor dog and an optical sensor. The rotation sensing device includes: a sensor dog being installed at the outer circumferential surface of a shaft installed inside a case and being configured to be spread a predetermined length larger than the diameter of the stop state when a centrifugal force is generated by the rotation of the shaft; an optical sensor receiving light reflected from the surface of the sensor dog and producing a sensing signal of the light if the sensor dog is spread the predetermined length by scanning the light to the sensor dog; and a main controller judging that the fan apparatus is rotated upon receipt of the sensing signal of the light from the optical sensor.

Abstract: There is disclosed a rotator for a module IC handler, including a loading side rotator for 90-degrees changing a direction of a carrier and supplying it to the inside of a heating chamber, and an unloading side rotator for 90-degrees changing a direction of the carrier after being vertically contacted in a test site and for transferring it to the unloading location. The rotator according to the invention includes a loading side rotator, and an unloading side rotator, the loading side rotator having a driving unit, a transferring member, a holding unit for holding or releasing the carrier, and a removal/insertion unit for introducing or discharging the transferring member into or from the rotating plate, the unloading side rotator having a rotating plate, a driving unit and a holding unit.

Abstract: A carrier handling apparatus of an IC module handler includes a carrier transferring unit for holding one side of the carrier to transfer the same between the various processes, and a carrier positioning unit for precisely positioning the carrier. The carrier handling apparatus includes a carrier for transferring predetermined modules, a carrier transferring unit for transferring the carrier from a loading location to an unloading location, and a carrier positioning unit for precisely positioning the carrier in the loading and unloading locations, thereby allowing IC modules contained in a tray to be accurately loaded into the carrier or unloaded therefrom by a pick-up means. According to another aspect of the present invention, a slider is installed to be moved along the traveling path of the carrier, and is provided with a pair of fingers that can be withdrawn or spread by one cylinder, so that the area required to install the carrier transferring apparatus can be minimized.

Abstract: An apparatus for controlling cooling of a linear motor includes: a stator having a first temperature sensor, a heat sink and at least one cooling fan installed at a predetermined portion thereof; a mover having a second temperature sensor and a heat sink installed at the upper surface thereof; an encoder for sensing a position of the mover and generating a position signal; an A/D converter for receiving and converting signals from the first and the second temperature sensors and outputting a first and a second temperature sensing signals; a controller for generating a plurality of cooling fan control signals and an air valve control signal to cool the heat generated from the stator and the mover; a D/A converter for converting the plurality of cooling fan control signals and the air valve control signal and transmitting a plurality of drive signals to the plurality of cooling fans and to the air valve; and a mover driver for providing a drive signal to a coil block.

Abstract: A cooling apparatus for a linear motor is disclosed which effectively cools heat generated when the motor is driven and provides an accurately maintained motor characteristics. The cooling apparatus for the linear motor include a blower provided outside the linear motor, at least one or more supply pipes, the supply pipes being provided to predetermined locations of the stator, air guide holes coupled to the supply pipes, respectively, for guiding flow of an introduced air, and control valves provided to predetermined locations of the supply pipes, for controlling an amount of an introduced air.

Abstract: The present invention relates to a carrier handling apparatus for a module IC (integrated circuit) handler and method therefor, for performing effective tests while carrier having a plural module ICs therein are transferred between the processes. The present invention includes a base frame, a vertical frame being provided perpendicular to one side of the base frame, carrier units being fixed at a top of a carrier holder, the carrier holder being disposed parallel at upper portion surfaces of the base frame and provided to slide along LM guide rails, respective press units being provided, corresponding to respective carrier units, at one side of the vertical frame, and for connecting the module ICs contained in the carrier unit, and a driving motor providing with pulley provided at one side of the vertical frame so as to slidably move rightward and leftward the carrier unit connected thereto by means of a timing belt.

Abstract: A fingerprint image acquisition apparatus of the present invention includes fingerprint sensing device unit, a CCD device unit, and an image processing unit, the image processing unit comprising: an A/D converting unit for converting and outputting the fingerprint image outputted from the CCD device unit into a digital signal; an image buffer for storing the digital signal from the A/D converting unit; a controller for watching a state of the image buffer, i.e.

Abstract: The present invention relates to a head module for a surface mounting apparatus, the module having a plurality of linear motors applied thereto and arranged to be interlaced with each other, thereby providing smaller head module in size and higher thrust, as well as fast and precisely controlled movement of the heads. There is provided the head module for use in the surface mounting apparatus and having a plurality of heads, the head module including a plurality of hollow shafts for holding surface-mounted parts, and a plurality of linear motors having the plurality of hollow shafts mounted therein and for vertically moving the shafts, respectively, wherein the linear motors are arranged to be interlaced with each other.

Abstract: A module integrated circuit (IC) carrier is used to move module ICs through a testing machine. The module IC carrier has a housing with a pair of installation elements installed parallel to one another in a receiving space of the housing. A plurality of holding members are installed on each of the installation elements. Each holding member on one of the installation elements faces a corresponding holding member on the other of the installation elements. Module ICs are held between corresponding pairs of the holding members. The holding elements can be biased towards each other to help hold the module ICs. Each holding element may include a rotator with a grooved edge which helps to hold a module IC, and which allows the module ICs to be easily inserted into and removed from the carrier.

Abstract: A nozzle exchanging or mounting apparatus is provided for use in exchanging nozzles utilized for vacuum sucking a semiconductor device and various electric components in a surface mounting apparatus. The nozzle exchanging or mounting apparatus includes a nozzle installation body having a nozzle installation portion in which a plurality of nozzles can be disposed at a predetermined interval therebetween, a locking unit, the locking unit being longitudinally inserted into and installed at one side of the nozzle installation body, a bracket for inserting one side of the locking unit thereinto to fix the locking unit in place, and a driving unit for selectively moving the locking unit backward and forward. The apparatus provides the advantage that the time taken to exchange nozzle(s) can be reduced due to the stable and prompt exchange of the nozzle(s).

Abstract: Index head in a semiconductor device test handler for mounting semiconductor device in a test socket at a test site, wherein a force pressing down a semiconductor device is accurately controlled by means of a force transducer fitted to a head holder, a precise temperature control of the semiconductor device is made by direct heat transfer to a picked up semiconductor device from an electric heater fitted to the head, and a smooth alignment is made by a compliance part even if there is an alignment error between the index head and/or the test socket, thereby permitting a faster operation of the index head.

Abstract: A nozzle device of a surface mounting device including a holder mounted and adhered closely to socket shafts by an elastic force of elastic members connected to both ends of the socket shafts, and a holder shaft formed on the bottom surface of the holder is disclosed. The nozzle device further includes a nozzle having a moving member assembled to the inside of the holder shaft, and moved in an upward or downward direction due to a pressure of air flown through the holder shaft, for picking up or placing a parts.

Abstract: A grip tip of a gripper for a parts having a different shape adapted to the surface mount device is disclosed. The grip tip includes: a piston installed inside of a through hole formed at the holder, and lifted or lowered by air flown in/out through the through hole; a moving unit connected to fixed blocks of the holder by a connection means for increasing or decreasing an interval according to the lifting or lowering operation of the piston; and multiple grip tips for supporting at least three points of a parts having a different shape.

Abstract: A gripper for a parts having the different shape is disclosed. The gripper includes a holder having one end mounted and moved in a socket unit, and having a penetration groove forming a passage of air flown through the socket unit; a piston mounted in the penetration groove, and lifted or lowered due to a pressure of the air flown through the penetration groove; a movement unit having a slanted surface to be horizontally moved in a direction of increasing or decreasing an interval by the piston lifted or lowered; and grip tips for picking up or putting the parts. The grip tips are moved to pick up the parts having the different shape and easily mount the parts on the PCB.

Abstract: There is disclosed a linear motor driver for a permanent magnet movable type linear motor employing a stator and a movable element, the driver performing the partial excitation of the movable element. The driver includes a stator having coil block and disposed on an inner bottom surface of a U-shaped frame, a movable element having a plurality of permanent magnets at an armature frame, a shield member provided on one side surface of the movable element, and having a magnet sensing unit formed on one side surface thereof for blocking magnet fields generated from the plurality of permanent magnets, and a controller board disposed on an inner wall of the U-shaped frame, and for sensing magnet fields generated from the magnet sensing unit to selectively supply an electric current into the coil block. Thus, an erroneous recognition of the position of the movable element can be prevented which may occur due to the magnet fields generated from the permanent magnets used for creating a thrust force of the motor.

Abstract: A feeder for the surface mounting device is disclosed. The feeder includes a feeding unit being installed at one side of a main frame, having a plurality of armature coils and a circular permanent magnetic unit facing the plurality of armature coils to generate a rotation/reverse rotation force and carry a tape at a pitch interval and having a position sensing unit and a position detecting disk capable of sensing the position of the circular permanent magnetic unit, a vinyl separation unit carrying the vinyl removed from the tape by the rotation force or re-carrying the vinyl by the reverse rotation force, and a vinyl recovery unit recovering the vinyl by winding the same by the rotation force or discharging the vinyl by the reverse rotation force.