The K&S 8028PPS wire bonder is an automatic ball bonding system developed by Kulicke & Soffa (K&S) for semiconductor backend assembly and IC packaging applications. The machine is designed to provide accurate wire placement, stable process control, and repeatable bonding performance in production environments.
The K&S 8028PPS is commonly considered for semiconductor packaging processes that require automatic thermosonic ball bonding. Available machines may differ in hardware configuration, software version, tooling, material-handling setup, and current operating condition.
What Is the K&S 8028PPS Wire Bonder?
The K&S 8028PPS is an automatic ball wire bonding machine used to create electrical connections between semiconductor dies and package leads, substrates, or other interconnection points.
The equipment uses thermosonic ball bonding technology. During the bonding process, controlled ultrasonic energy, bonding force, temperature, and capillary movement are applied to form the first bond, create the required wire loop, and complete the second bond.
Automatic vision alignment and programmable bonding parameters help improve bond-position accuracy and production repeatability. Actual compatibility depends on the package design, bonding-pad layout, wire specification, capillary, tooling, and machine configuration.
Key Features of the K&S 8028PPS Wire Bonding Machine
Automatic Ball Bonding Operation
The 8028PPS automates the main bonding sequence, including product positioning, vision alignment, gold-ball formation, first bonding, wire-loop formation, second bonding, and wire separation.
Fine-Pitch Bonding Capability
The machine can support semiconductor packages that require accurate wire placement and closely spaced bonding positions. The achievable bonding pitch depends on the product design, bonding wire, capillary selection, process parameters, and mechanical condition of the equipment.
Thermosonic Bonding Process
The bonding system combines ultrasonic energy, controlled force, and heat to create mechanical and electrical connections between the semiconductor die and package structure.
Automatic Vision Alignment
The vision system identifies reference points and bonding locations before the bonding cycle. Proper alignment helps compensate for normal product-position variation and improves bond-placement consistency.
Programmable Wire-Loop Control
Bond-head movement can be programmed to create wire-loop profiles that match the package layout. Correct loop control helps reduce the risk of wire contact, unstable loop height, and package interference.
Adjustable Bonding Parameters
Bonding force, ultrasonic energy, bonding time, temperature, loop shape, and positioning parameters can be adjusted according to the product and process requirements.
Suitable for Existing Production Lines
Used or refurbished K&S 8028PPS machines may provide additional bonding capacity for factories with compatible products, trained operators, available tooling, and established maintenance support.
K&S 8028PPS Technical Information
| Parameter | Description |
|---|---|
| Model | K&S 8028PPS |
| Equipment Type | Automatic ball wire bonding machine |
| Manufacturer | Kulicke & Soffa Industries |
| Main Application | Semiconductor backend assembly and IC packaging |
| Bonding Method | Thermosonic ball bonding |
| Typical Wire Material | Gold wire, subject to machine and process configuration |
| Operation Mode | Automatic production operation |
| Alignment Method | Vision-based product and bonding-point alignment |
| Process Control | Programmable bonding force, ultrasonic energy, bonding time, temperature, positioning, and loop profile |
| Product Compatibility | Depends on package design, bonding layout, wire specification, capillary, tooling, and machine configuration |
| Equipment Availability | Primarily available through the used and refurbished semiconductor equipment market |
Exact specifications and production capabilities may vary according to the installed hardware, software version, optional modules, material-handling system, tooling, and current machine condition. The nameplate, configuration list, and operating status should be verified before purchase.
Applications of the K&S 8028PPS Wire Bonder
Semiconductor IC Packaging
The 8028PPS can be used to connect semiconductor dies to package leads or substrates during backend assembly. The machine must be configured with the correct tooling, bonding program, capillary, and wire specification for the selected package.
Fine-Pitch Package Assembly
For packages with closely spaced bonding pads, stable vision alignment and accurate bond-head movement are required. Actual fine-pitch capability should be confirmed through product drawings, process evaluation, and sample bonding tests.
Memory and Logic Device Packaging
Depending on machine configuration and product requirements, the 8028PPS may be used for selected memory, logic, controller, and other integrated-circuit packaging applications.
Discrete Semiconductor Packaging
The machine may also support selected discrete semiconductor products that use ball-wire interconnection. Suitability depends on the die size, pad material, package format, wire layout, and production fixture.
Existing or Legacy Production Programs
The 8028PPS may be considered for established production programs where the bonding recipe, tooling, spare-parts support, and operator experience are already available.
K&S 8028PPS Wire Bonding Process
Load the lead frame, substrate, carrier, or production fixture.
Identify the product position and reference points using the vision system.
Align the semiconductor die pads with the corresponding package bonding points.
Form the initial ball at the capillary tip using the electronic flame-off system.
Create the first bond on the semiconductor die pad.
Move the capillary according to the programmed wire-loop profile.
Create the second bond on the lead, substrate, or package electrode.
Separate the wire and continue to the next bonding position.
Inspect the completed bonds according to the production quality requirements.
Typical process flow:
Product Loading → Vision Alignment → Ball Formation → First Bond → Wire-Loop Formation → Second Bond → Wire Separation → Inspection
Important Points When Selecting a Used K&S 8028PPS
When evaluating a used K&S 8028PPS wire bonder, the model number alone does not confirm that the equipment is suitable for a specific production process. The complete machine configuration and operating condition should be reviewed before purchase.
Confirm the complete model, serial number, manufacturing information, and machine nameplate.
Check the bonding head, transducer, capillary holder, wire-feed system, and electronic flame-off unit.
Inspect the vision camera, lighting system, monitor, and pattern-recognition functions.
Verify the software version, machine programs, manuals, backup files, and configuration data.
Check the heater plate, work holder, clamps, rails, magazines, and material-transfer system.
Inspect motors, encoders, control boards, cables, pneumatic components, and safety devices.
Confirm the required voltage, compressed-air supply, exhaust, facility conditions, and installation space.
Request a power-on test, motion test, vision test, or sample bonding test when possible.
K&S 8028PPS Machine Supply and Configuration Support
We supply selected K&S 8028PPS wire bonding machines for semiconductor assembly and IC packaging projects. Available machine condition, configuration, accessories, tooling, documentation, and delivery scope may vary between individual units.
To confirm whether an available machine matches your application, please provide the package type, product dimensions, bonding diagram, wire specification, target output, tooling requirements, factory voltage, and destination country.