Patents Assigned to FASFORD TECHNOLOGY CO., LTD.
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Patent number: 11692947Abstract: A die bonding apparatus includes a first illumination device for irradiating a die with light along an optical axis of a photographing device, and a second illumination device that is located above the first illumination device and irradiates the die with light having a predefined angle with respect to the optical axis. The second illumination device includes a second light emitting section, and a light path control member that limits a light path of second irradiation light emitted from the second light emitting section. The second illumination device is disposed in such a way that the second irradiation light, the light path of which is limited by the light path control member, passes through the cylinder of the first illumination device, and the top surface of the die is irradiated with the second irradiation light.Type: GrantFiled: July 16, 2021Date of Patent: July 4, 2023Assignee: Fasford Technology Co., Ltd.Inventors: Yuta Ono, Hideharu Kobashi, Koji Hosaka, Masaaki Yoshiyama
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Patent number: 11569118Abstract: A semiconductor manufacturing apparatus includes a thrust-up unit having a plurality of blocks in contact with a dicing tape, a head having a collet absorbing the die and capable of being moved up and down, and a control section controlling the operation of the thrust-up unit and the head. The thrust-up unit can operate each of the plurality of blocks independently. The control section configures the thrust-up sequences of the plurality of blocks in a plurality of steps, and controls the operation of the plurality of blocks on the basis of a time chart recipe capable of setting the height and the speed of the plurality of blocks for each block and in each step.Type: GrantFiled: March 9, 2020Date of Patent: January 31, 2023Assignee: Fasford Technology Co., Ltd.Inventors: Tsuyoshi Yokomori, Tatsuyuki Okubo, Yuki Nakui, Hiroshi Maki, Akira Saito, Naoki Okamoto
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Patent number: 10096526Abstract: A bonding method of a die bonder with a single conveyance lane and a single bonding head, or a plurality of conveyance lanes and a plurality of bonding heads includes the steps of generating a classification map of class dies with different electric properties on the wafer, which are classified in accordance with a plurality of grades, picking up the die from the wafer, bonding the die onto a substrate or the die using a bonding head, conveying a class substrate corresponding to the class die on the conveyance lane in a unit of the class substrate, and further bonding the class die to the corresponding class substrate based on the classification map.Type: GrantFiled: August 15, 2012Date of Patent: October 9, 2018Assignee: Fasford Technology Co., Ltd.Inventors: Masayuki Mochizuki, Hiroshi Maki, Yukio Tani, Takehito Mochizuki
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Patent number: 9530751Abstract: A die bonder and a bonding method are provided that are capable of surely mounting a die on an intermediate stage and surely picking up the die from the intermediate stage and thus, are high in reliability. The die bonder is provided with the intermediate stage for mounting thereon the die picked up by the pickup head from a die supply unit. A mounting portion of the intermediate stage is provided with an uneven pattern including a plurality of mounting support protrusions having contact surfaces that flush contact the back surface of the die for supporting the die not to slip out of place, and a plurality of recesses formed between the mounting support protrusions.Type: GrantFiled: April 29, 2015Date of Patent: December 27, 2016Assignee: Fasford Technology Co., Ltd.Inventors: Kazuo Nakano, Koji Nakamura, Shoji Kanai, Fukashi Tanaka
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Patent number: 9362250Abstract: The present invention provides a bonding device and a bonding method with a high operation ratio by solving the problems of conventional techniques. In the present invention, a collet holder grasping a used collet is inserted from a first opening portion with the upper face open; the used collet is engaged with first engagement portions provided at the first opening portion of a discarding unit; the used collet is removed from the collet holder to be discarded by lifting the collet holder; the collet holder is inserted from a second opening portion with the upper face open of a supplying unit; the uppermost unused collet among plural stacked unused collets is grasped; and the uppermost unused collet ejected from the first opening portion is attached to the collet holder.Type: GrantFiled: March 4, 2013Date of Patent: June 7, 2016Assignee: Fasford Technology Co., Ltd.Inventors: Ryuichi Takano, Naoki Okamoto
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Patent number: 9343338Abstract: When a die to be stripped out of plural dies (semiconductor chips) bonded to a dicing film is to be tossed and stripped from the dicing film, the dicing film corresponding to predetermined positions out of the peripheral portion of the die is tossed to form stripping start points. The dicing film corresponding to portions other than the above predetermined positions is then tossed to strip the die from the dicing film.Type: GrantFiled: September 2, 2011Date of Patent: May 17, 2016Assignee: Fasford Technology Co., Ltd.Inventors: Naoki Okamoto, Keita Yamamoto
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Patent number: 9324679Abstract: A two-shaft drive mechanism includes a processing unit, a first linear motor provided with a first movable portion and a first fixed portion, which elevates the processing unit along a first linear guide, and a second linear motor provided with a second movable portion and a second fixed portion, which moves the processing unit in a horizontal direction vertical to the direction for elevating the processing unit, a support body that fixes the first fixed portion, a second linear guide that is provided between the support body and the second fixed portion, and allows the second fixed portion to freely move, and a control unit that controls a position of the first movable portion in the horizontal direction based on an output of the linear sensor that detects a position of the first movable portion in a horizontal direction with respect to the support body.Type: GrantFiled: August 16, 2012Date of Patent: April 26, 2016Assignee: Fasford Technology Co., Ltd.Inventors: Yoshihide Ishii, Masayuki Mochizuki, Yoshihiro Kurihara
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Patent number: 9318361Abstract: An object of the present invention is to provide a collet cleaning method and a die bonder using the same in which a collet can be cleaned without adding a new unit, and foreign substances with 5 high adhesive power can be reliably removed without scattering the foreign substances. A die bonder includes a pickup device, a bonding head unit having a collet that absorbs dies from a wafer at the timing of lifting of the pickup device, and a control unit that controls the pickup device 10 and the bonding head unit. The collet is moved to a position of a dicing tape at which no dies of the wafer held by a wafer ring exist to be brought into contact with the adhesive surface of the dicing tape, so that foreign substances attached to the tip end of the collet are removed.Type: GrantFiled: December 12, 2013Date of Patent: April 19, 2016Assignee: Fasford Technology Co., Ltd.Inventors: Yoshihide Ishii, Hiroshi Maki
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Patent number: 9245778Abstract: A die bonding apparatus includes a work supply/transfer portion for transferring a substrate; a bonding portion for conducting bonding of a die on the substrate; a wafer supply portion for supplying a wafer having the die thereon; and a controller portion for controlling equipment, wherein the wafer supply portion has a push-up unit for pushing up a dicing tape from a lower part, for separating the die from the dicing tape, and the push-up unit has a suction opening portion, which is configured to suck the dicing tape with vacuum, a push-up portion, which is made of an elastic body, sealing a fluid or a power therein, and is configured to push up the dicing tape, a cylinder, which is configured to apply pressure to the push-up portion, and an air supply means for supplying an air for changing the pressure within the cylinder through control of the controller portion.Type: GrantFiled: February 28, 2013Date of Patent: January 26, 2016Assignee: Fasford Technology Co., Ltd.Inventors: Keita Yamamoto, Naoki Okamoto
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Patent number: 9177937Abstract: The present invention aims to provide a lightened reaction absorber or to provide a semiconductor assembling system with further shorter processing time and high productivity or high quality using the lightened reaction absorber. The present invention is based upon a reaction absorber provided with a counter mechanism equipped with a load unit moved in a predetermined direction by a first ball screw, a second ball screw that generates reactive force in a reverse direction to the predetermined direction and a driving unit having a driving motor that drives the first ball screw and the second ball screw, and has a characteristic of including a reaction absorbing unit with one end side equipped with a nut connected to the second ball screw and the other end side fixed to a unit base movable relatively to the counter mechanism.Type: GrantFiled: September 13, 2010Date of Patent: November 3, 2015Assignee: FASFORD TECHNOLOGY CO., LTD.Inventors: Masayuki Mochizuki, Yasushi Ishii
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Patent number: 9099524Abstract: A die bonder that eliminates the need for moving a recognition camera for capturing an image related to adhesive application and achieves high reliability with high throughput is disclosed. The die bonder includes a lead frame; a syringe located above the lead frame and enclosing therein a paste adhesive; a recognition camera lateral to the syringe; an illumination lamp disposed in the vicinity of the recognition camera; and a reflector plate disposed opposite the illumination lamp. The reflector plate is adapted to reflect light from the illumination lamp onto the lead frame at an application surface of the paste adhesive. The recognition camera, illumination lamp, and reflector plate are arranged in a manner that the reflector plate is disposed on ?Y side and the recognition camera and the illumination lamp are disposed on +Y side with respect to the syringe located above the lead frame transported in X direction.Type: GrantFiled: September 2, 2011Date of Patent: August 4, 2015Assignee: FASFORD TECHNOLOGY CO., LTD.Inventors: Yoshiaki Makita, Shingo Fukasawa