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West Bond 7476D Series Instruction Manual

Manual wedge bonder
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WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL
MODEL 7476D
Manual Wedge Bonder
SERIAL # _______________
P.O. # __________________
i
Revision: 15 April, 2004

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  • Page 1 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL MODEL 7476D Manual Wedge Bonder SERIAL # _______________ P.O. # __________________ Revision: 15 April, 2004...

  • Page 2: Table Of Contents

    WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL TABLE OF CONTENTS PAGE MODEL DESCRIPTION ............

  • Page 3: Model Description

    WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL MODEL DESCRIPTION Model 7400D Series, Wedge-Wedge Wire Bonders, Manual X-Y-Z Overview Year 2000 saw the "C" Series finally replace the venerable "A" Series, and now witnesses the transition from "C" to "D". The "C" Series brought forth improvements to the core X-Y-Z manipulator – independently guided and locked axes –...
  • Page 4 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL MODEL DESCRIPTION Two values of bond force in the overall range of 18 to 90 grams are adjusted at the tool assembly as two preset positions of a compression spring. Either high or low force setting can be programmed for each bond.
  • Page 5 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL MODEL DESCRIPTION Machine Configuration The microscope recommended for this series is Nikon SMZ-660 with Luxuray 21-LED shadowless illuminator. Neither microscope nor illuminator is included. One recommended bonding tool is included. All work holders are priced separately. Quite a large number of previously designed special work holders, both heated and unheated, are listed under Products, Workholder Assemblies, on West·Bond’...

  • Page 6: Feature Description

    WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL FEATURES DESCRIPTION The specifications define Features that add additional capabilities or utilities to the basic machine models, and cross-reference those models with which the Features may be combined. Feature -45:Free Furnace Workholder This furnace is free in the sense that it is not connected to the...
  • Page 7 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL FEATURES DESCRIPTION Feature -45E: Free Furnace, 2”x2” Adapter, Vacuum Hold The “ E” version of the basic -45 Free Furnace modifies the upper portion of the furnace to extend its surface area to 2.000” (50.8mm) x 2.000” (50.8mm). The work piece is...
  • Page 8 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL FEATURES DESCRIPTION Feature –79: Adjustable height work platform Work Platform with Adjustable Height for variable package thickness. Adjusts through a range of 0.625” (15.875mm), apportioned 0.094” (2.39mm) above and 0.531(13.49mm) below nominal elevation of 2.688(68.28mm) above the...

  • Page 9: Cautions

    WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL CAUTIONS Contained in this section are continuous to be observed during 7476D / 7600C Installation and Operation. Wiring All machine wiring has common ground connected to machine chassis and continuous through the power supply, cord and cord plug.
  • Page 10 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL CAUTIONS Work Station Exercises Sometimes it is only when we take breaks at work that we realize how stiff or uncomfortable we have become from working in a seated position. When we concentrate intensely on our work, these types of discomfort often go unnoticed and therefore, we recommend the following exercise program.
  • Page 11 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL CAUTIONS Micromanipulator The hand controls on your WEST? BOND machine have been designed for minimal exertion of the hand and fingers. The position of the control knob is purposely set to coincide with a natural rest position of the hand (fetal position).

  • Page 12: Installation

    WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL INSTALLATION STEP 1 Remove the accessory box, identify and account for all contents. v ITEM PART NO. v ITEM OPTION Manipulator Control Arm (P/N 8253) Adjustable Height Platform (optional) (optional) Microscope Yoke (P/N 8280)
  • Page 13 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL INSTALLATION STEP 11 Remove Manipulator Arm from accessory box and install in its receptacle by tightening the two(2) socket head cap screws. STEP 12 Install the Printed Circuit Boards making sure that they are firmly seated and the cable connector to the Machine Control Board is firmly in place.

  • Page 14: Machine Set-Up

    WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL MACHINE SET-UP Bond Tool Installation The choice of bonding tools is instrumental to high quality bonding. The 7476D requires that the shank diameter of the tool be 1/16" and that the length of the tool, for the 45 degree wire feed, should be 0.750".
  • Page 15 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL MACHINE SET-UP Bonding Wire Installation The 7476D is equipped with a standard 1/2" ball bearing spool mount. Also available is the 2" spool dispenser. Slide the 1/2" spool over the spool mount such that the wire de-spools over the top (counter clock-wise when viewed from the right side).
  • Page 16 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL MACHINE SET-UP Work Platform Adjusting (Feature -79) The height adjustment of the work platform is critical for quality wire bonding. If the work platform is not adjusted properly, the bonding tool may not be perpendicular to the work surface. To check for proper height adjustment simply compare the height of the surface requiring bonding to the position of the bonding wedge while holding the micromanipulator in its maximum down position.

  • Page 17: Operation

    WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL OPERATION The operation of the 7476D has been specifically designed for versatile and dependable operation. The following information will allow the operator to utilize the 7476D to its full potential. This section is...
  • Page 18 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL OPERATION Operator Controls U/S Lamp This light indicates ultrasonic activity. Notice the light will flash during bonding and during any other time that ultrasonic power is used. If this light does not illuminate while the TEST switch is pressed, contact your local service representative or the WEST? BOND factory for advice.
  • Page 19 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL OPERATION Wire Bonding The actual execution of wire bonding with WEST? BOND’ s 7476D is rather straightforward. The patented micromanipulator, positioned to the right of the work platform, is directly linked to the tooling head assembly through an 8:1 ratio.
  • Page 20 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL OPERATION Basic Operation The following is an interpretation of the messages displayed by the 7476D during operation. The rectangles on the left represent the LCD and examples of its contents. Additional LCD messages are described in the “...
  • Page 21 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL OPERATION SELF-THREAD SEQUENCE (Special self-threading tool required.) SELF-THREAD, Step #1 “ Press FEED” means press the CLAMP Wire clamp is open. switch to the left position, labeled FEED. Position wire in clamp, and press FEED.

  • Page 22: Programming

    WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL PROGRAMMING The following pages demonstrate the expected displays and programmable options of the 7476D. The programmable features are Bond and Machine Settings. “Bond Settings” options are commonly used by the operator. Here are the options available for...
  • Page 23 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL PROGRAMMING BOND TOOL POSITION SETUP Press and hold the FEED/OPEN switch in the FEED position. Turn the Machine on. Use the EDIT button to get new readings for tool drop. Set tool for maximum reading.
  • Page 24 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL PROGRAMMING Bond Settings ULTRASONIC TIME Specify the ultrasonic time, in milliseconds, for a specific bond. The bond number will be displayed in the upper right portion of the display (example: “ Bond 1 of 3” ). The ultrasonic time may be changed by pressing, “...
  • Page 25 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL PROGRAMMING DROP BEFORE CLAMP (45? Tool only) Use this menu to specify the distance below the apex of the tool path at which the clamps should close on the wire. After completing the first bond, the clamps will be open allowing the operator to travel upward and back.
  • Page 26 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL PROGRAMMING Machine Settings DUAL FORCE This option allows the operator to select the “ DUAL FORCE” feature “ ON” or “ OFF” . When the “ OFF” selection has been made, the “ LOW FORCE” menu will not be displayed and the higher specified force will be applied to all wire bonds.
  • Page 27 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL PROGRAMMING Machine Settings BEEP UPON CONTACT To change the selection of this feature, press the “ REV” or “ FWD” switch. The audible beep indicator during bonding may be silenced by setting this feature to “ OFF” . The suggested setting is “ ON” . The “...
  • Page 28 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL PROGRAMMING Machine Settings BOND COUNTER LIMIT The Bond Counter Limit will allow the operator to set a maximum number of bonds that a tool can make before the machine gives a warning the tool has exceeded it life and should be replaced. The Maximum Bond Count is 30,000 bonds and is settable in increments of 500.

  • Page 29: Tool Assembly Convertion

    WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL TOOL ASSEMBLY CONVERSION The Model 7476D Series offers the ability to wire bond with the 45 wire feed tool assembly or the Deep Access wire feed tool assembly. The conversion process from one tool assembly to another should take approximately 5 minutes.

  • Page 30: Troubleshooting

    WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL TROUBLESHOOTING Typically, bonding problems are related to the application or incorrect parameter selection. If you are experiencing any difficulties, please contact the WEST? BOND customer service department for immediate and personal assistance. The customer service department will then have the opportunity to ask specific questions, which will identify the required solution.
  • Page 31 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION 1. Wire bond not sticking or 1. Parameters improperly 1. Fine tune or adjust power, time, force, poor bonding performance set or wrong tool work heat, or replace tool 2.

  • Page 32: Technical Information

    WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL TECHNICAL INFORMATION Feature -44a, Radiant Heater For Tool This machine has been equipped with WEST? BOND Feature -44A, which provides radiant heat for the wedge bonding tool. The heater temperature is adjusted by the potentiometer located on the upper left side of the front panel, labeled Tool Heat.

  • Page 33: Spare Parts

    WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL SPARE PARTS Recommended Spare Parts for the 7476D Manuf. Manuf. Rec. Part No Description Name Spare 339.002 Pivot Bearing Shaft, 0.6250" Long Bar, Tie, Manipulator (order as -8398) 572.002 Bracket, Ball Joint (heavy duty)
  • Page 34 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL SPARE PARTS Part Manuf. Manuf. Rec. Description Name Spare 9697 Force Rod, Tool Assembly, Model 7400D 9810 PCB, Machine Control, Model 7476D K~Sine 9810 10345 PCB, Ultrasonic Generator, Dual Channel, 4 Watts, Built-in Assembly...
  • Page 35 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL SPARE PARTS Part Manuf. Manuf. Rec. Description Name Spare 50833 Switch, Toggle, Chrome Plated Handle (On-On-On) C & K Components 7211-T2-P-Z-QE 50834 Switch, Toggle, Chrome Plated Handle (Mom.-On-Mom.) C & K Components 7215-T2-P-Z-QE 50859 Power Supply, 50 Watt Volgen Electric Co.

  • Page 36: Warranty & Patent Information

    WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL WARRANTY a. Seller warrants to the original Buyer that each new product manufactured by WEST? BOND is free from defects in material and workmanship. Seller’ s liability hereunder shall be limited to the...

  • Page 37: Drawings And Schematics

    WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL DRAWINGS AND SCHEMATIC THE FOLLOWING PAGES CONTAIN DRAWINGS AND SCHEMATIC INFORMATION FOR THE 7476D SERIES Models 7476D use the following schematics: CB-4129 Photo Sensor Circuit CB-4189 Heater Control Circuit CB-6836 Photo Sensor Circuit...
  • Page 38 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL DRAWINGS AND SCHEMATIC Page 36...
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  • Page 40 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL DRAWINGS AND SCHEMATIC Page 38...
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  • Page 42 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL DRAWINGS AND SCHEMATIC Page 40...
  • Page 43 WEST• BOND MODEL 7476D SERIES INSTRUCTION MANUAL NOTES Page 41...

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