Inventor

CHENG CHI WAH

CN51 patents

⚠️ This page may combine multiple inventors who share the name “CHENG CHI WAH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHENG CHI WAH

ASM ASSEMBLY AUTOMATION LTD

Damage and wear detection for rotary cutting blades

Solder reflow oven

Apparatus and method for aligning devices on carriers

Radial wire bonder and selectable side view inspection system

Apparatus and method of placing solder balls onto a substrate

Transfer apparatus for handling electronic components

Apparatus and method for arranging devices for processing

Bond head for heavy wire bonder

Method and apparatus for ball placement

Apparatus and method for ball release

Substrate alignment method and apparatus

System for processing electronic devices

Singulation handler system for electronic packages

Drainage apparatus for a singulation system

Laser processing apparatus

Apparatus and method for cleaning electronic packages

CHENG CHI WAH

Apparatus for transferring electronic components in stages

Apparatus for processing electronic devices

Transfer apparatus for transferring electronic devices and changing their orientations

Wedge bonder and a method of cleaning a wedge bonder

Universal bond head for wire bonders

Handling system for inspecting and sorting electronic components

Wedge bonding method incorporating remote pattern recognition system

Singulation apparatus and method

Alignment method for singulation system

Wire spool system for a wire bonding apparatus

Singulation apparatus comprising an imaging device

Megasonic cleaning system

Singulation handler comprising vision system

Apparatus and method for supporting a workpiece during processing

Method of configuring a dicing device, and a dicing apparatus for dicing a workpiece

Handling system for testing electronic components

ASM TECH SINGAPORE PTE LTD

Apparatus and method for authentication of electronic device test stations

Apparatus and method for transferring electronic devices

Electronic device separator for a feeding apparatus

Apparatus and method for transferring electronic devices

Method and apparatus for aligning electronic components

Apparatus and method for adjustment of a handling device for handling electronic components

Apparatus and method for dispensing a viscous adhesive

Method and apparatus for aligning and inspecting electronic components

Die bonder incorporating rotatable adhesive dispenser head

Apparatus for packing ultra-small electronic devices

SIU HING SUEN

Apparatus and method of using an imaging device for adjustment of at least one handling device for handling semiconductor components

Test contactor for electrical testing of electronic components

KWOK CHI HANG

Laser apparatus for singulation, and a method of singulation

Laser processing method and apparatus

ASMPT SINGAPORE PTE LTD

Test handler having multiple testing sectors

Die ejector height adjustment

ASM ASSEMBLY AUTOMOTION LTD

Radial wire bonder and selectable side view inspection system

YIP SHING KAI

Test handler that picks up electronic devices for testing and an orientation-changing apparatus for use in a test handler