Classifications

• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
  • H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
  • H05K13/04—Mounting of components, e.g. of leadless components
  • H05K13/046—Surface mounting
  • H05K13/0469—Surface mounting by applying a glue or viscous material
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
  • H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
  • H05K13/08—Monitoring manufacture of assemblages
  • H05K13/081—Integration of optical monitoring devices in assembly lines; Processes using optical monitoring devices specially adapted for controlling devices or machines in assembly lines
  • H05K13/0815—Controlling of component placement on the substrate during or after manufacturing
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
  • H05K3/00—Apparatus or processes for manufacturing printed circuits
  • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
  • H05K3/303—Surface mounted components, e.g. affixing before soldering, aligning means, spacing means
  • H05K3/305—Affixing by adhesive

Definitions

• the invention relates to a method and a device for the standard application and mounting of electronic components, in particular RFID chips, on substrates, in particular antennas having substrates, according to the preambles of patent claims 1 and 7.
• Electronic components in particular flip chips, are conventionally used for equipping substrates, such as, for example, with antenna-provided substrates, in order to obtain from the interaction of the chip with the antenna the final chip card or the final smart label.
• the flip chips within a high-throughput device are individually taken out of a chip assembly, such as a wafer, by means of a flip chip receptacle and turned upside down by rotation of that flip chip receptacle to the rear thereof another recording device, which also serves as a transport device to attack.
• the picking up of the individual chips is usually carried out by means of vacuum pipettes, which allow gentle holding of the chips on the receiving device, even during transport.
• an adhesive is used exclusively in the region of an ablation. Filled surface of the substrate in which the chip is to be used or stored, applied in a first process section within a mostly separately provided for this purpose processing module of the machine. Subsequently, within a further processing module of the machine, the flipchip to be inserted is picked up by the wafer during a further processing step and transported to the depositing surface in order to place it on the depositing surface having the adhesive, which is often also referred to as cavity within a card body can be trained.
• the Klebstoffautrage worn which is referred to as a shooter must be suspended above the substrates having the belt and be moved in the X and Y directions, thereby by means of an X and Y-rail system, the individual cavities or, more generally, to be able to approach the individual storage surfaces and targeted to arrange individual drops of adhesive at certain designated points within the Ablegeflä-.
• Such a machine with two different process steps requires the coordination of the two process steps on each other and thus the coordination of the processing modules responsible for these process steps with each other, resulting in a time and cost newwyeri- ge control electronics circuit for controlling and regulating the processing modules also in connection with other processing modules of the machine results.
• An essential point of the invention is that, in a method for the serial application and mounting of electronic components, in particular flip chips for the RFID area, the following sequential steps take place on substrates, in particular antennas, comprising substrates:
• the above-described first and second process steps which usually take place in separate processing modules within a common machine, can advantageously be combined within one processing module. This has the consequence that both manufacturing costs and processing costs can be saved, since complex control electronics circuits for mutual coordination of the two processing modules and an X-Y rail system for the method of the adhesive application device omitted.
• the size of the machine is also reduced because the X- and Y-rail system for the process of the shooter, which is usually located above a substrate belt, can be saved.
• the transport device is advantageously equipped with a transport rail attached on the top side, along which a vacuum-loaded pipette arranged thereon can be displaced.
• the vacuum-charged pipette has one or more openings at the bottom to expose a vacuum within the pipette to one side of the chip for holding it.
• This shooter is oriented from bottom to top and shoots the tough, viscous glue drop towards the bottom of the chip. Subsequent transport of the chip to the deposition surface of the substrate does not cause the adhesive to dissolve from the underside of the chip because the adhesive is viscous.
• the adhesive application in the transport process of the chip or the electronic component can be integrated, which also results in a time savings in the production of smart labels and smart cards and a higher throughput of the entire apparatus for producing the results.
• the adhesive application device is designed such that it is equipped with an upwardly open container with adhesive disposed therein, in which one can immerse the underside of the component for a short time.
• an ink pad which is impregnated with the adhesive, is additionally arranged in the container, so that a limited and metered amount of adhesive is released by briefly pressing the underside of the component onto the ink pad.
• an ink pad also has the advantage that the adhesive is at the same time evenly distributed over the entire surface of the underside of the component.
• the orientation of the component may already be measured a first time in addition to the measurement process taking place after the application of the adhesive, this time in relation to the orientation of the adhesive application device, to properly align the electronic component for subsequent adhesive application.
• Such a measuring process takes place in both cases by means of an optical measuring method with the aid of, for example, a camera and can be matched by means of image data processing on the laying surface and / or the Kelbstoff Kunststoffe worn in their orientation.
• the receiving device for receiving the flip chip from the component assembly which may be formed as a wafer is rotated with the recorded thereto adhering thereto by vacuum chip about a horizontally oriented axis by 180 ° in order to transfer the electronic component in the inverted state of the transport device can.
• the transport device then takes over the electronic component on its opposite upper side by means of vacuum application by means of the vacuum pipette.
• An apparatus for the standard application and mounting of electronic components on substrates comprises the receiving device, the transport device, the below the transport means arranged adhesive applicator and one, optionally two, measuring devices, both measuring devices the direction of the component, which on the transport device during the entire process from the time of transfer of the component from the receiving device to the transport device adheres measures.
• the vacuum pipette of the transport device for sucking the component thus exerts a vacuum on the component, which may be formed as a flip chip, during its recording away from the receiving device, its transport, its adhesive application and its deposition on the substrate.
• the Klebstoffautrage insightful has an ejection element for shooting at least one drop of adhesive from bottom to top on the underside of the component.
• the adhesive scraper may be provided with an ink pad soaked with the adhesive to press the underside of the chip onto its surface for transfer of the adhesive.
• FIG. 1 shows in a first schematic representation of the structure of a process implementing device according to a first embodiment of the invention
• FIG. 2 shows a schematic representation of the structure of a device realizing the method according to a second embodiment of the invention.
• a device according to a first embodiment of the invention is shown in a schematic representation, as it can be used to carry out the method according to the invention.
• a substrate strip 2 is arranged, in which or on which a plurality of successively and / or juxtaposed substrates 3 are arranged.
• the substrates 3 may be provided with an antenna and may have a cavity for receiving a chip.
• the substrate tape 2 is moved into the image plane or out of the image plane continuously or discontinuously.
• Each individual substrate has a deposition surface 3a, which may be formed as a cavity, to receive a chip therein.
• a plurality of individual components in the form of, for example, flip chips 5 are arranged. These flip chips are by means of a receiving device 6 - 9, the can act as a so-called pinball recorded.
• the flipper is pivoted about a horizontally extending pivot axis 7, which is arranged within a central element 6, so as to be arranged by means of rod elements 8 and 9, to which vacuum pipettes not shown here, individual chips 5 of the chip composite 4 increase and to another vacuum pipette 1 1, which belongs to a transport device 1 1, 12 and 13 to pass.
• a single drop of adhesive 17 is shot from bottom to top by means of an ejection element 16 at a point in time when the vacuum pipette 11 travels past the adhesive applicator 15, 16 with the chip 10 hanging thereon.
• the rail-like transport device can be briefly braked or stopped to allow accurate positioning of the adhesive drop on the underside of the chip 10.
• another measuring device 22, 23, as shown in Fig. 2 be arranged to detect the chip a first time in its orientation.
• FIG. 2 shows a schematic representation of the device for carrying out the method according to the invention in accordance with a second embodiment of the invention. Identical and equivalent components are provided with the same reference numerals.
• the device reproduced in a schematic representation in FIG. 2 differs from the device represented in FIG. 1 in that the adhesive application device is designed differently and a further measuring device 22, 23 is arranged.
• Such an ink pad 21 serves to press the underside of the chip 10 thereon and thereby to obtain a uniform distribution of the adhesive on the underside of the chip 10 in metered quantity.
• either the adhesive application device 20, 21 or the ink pad 21 can be traced for itself, if currently a chip 10 is positioned over it, or the vacuum pipette 1 1 are briefly driven down with the attached chip 10.
• the measuring device 22, 23 for optical measuring, for example by means of a camera, the orientation of the chip 10, which adheres to the vacuum pipette 1 1, serves to capture the chip a first time in its orientation or optionally by a post-correction, for example by twisting the pipette 1 1 about its longitudinal axis to align properly.
• the measuring device 22, 23 compares the aligned data with the orientation of the adhesive applicator 20, 21 and, if appropriate, with the orientation of the laying surface 3a of the substrate.
• the measuring device 22, 23 is arranged in front of the adhesive application device 20, 21.
• the further measuring device 18, 19 is arranged after the adhesive application device and ensures a further measurement and, if appropriate, correction of the alignment of the chip 10.
• only the measuring device 18, 19 without the measuring device 22, 23 may be arranged. All disclosed in the application documents features are claimed as essential to the invention, provided they are new individually or in combination over the prior art.

Landscapes

• Engineering & Computer Science (AREA)
• Manufacturing & Machinery (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Operations Research (AREA)
• Supply And Installment Of Electrical Components (AREA)
• Wire Bonding (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=38988062

Family Applications (1)

Country Status (4)

Cited By (11)

Families Citing this family (3)

Family Cites Families (11)

• 2006
  • 2006-11-02 DE DE102006051607A patent/DE102006051607B4/de not_active Expired - Fee Related
• 2007
  • 2007-10-16 EP EP07821356A patent/EP2098106A1/de not_active Withdrawn
  • 2007-10-16 WO PCT/EP2007/060989 patent/WO2008052879A1/de active Application Filing
  • 2007-10-16 JP JP2009531863A patent/JP2010506414A/ja not_active Withdrawn

Non-Patent Citations (1)

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