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Precision Picosecond Laser Cutting Machine for Semiconductor Solder Preform

Cold laser cutting for thin metal foil & semiconductor packaging

Our picosecond laser cutting machine delivers cold ablation with minimal heat-affected zone, avoiding thermal deformation and edge burns on delicate materials. It achieves burr-free precision cutting for semiconductor solder preforms and thin metal foils, equipped with CCD vision positioning for high repeat accuracy. Stable performance supports continuous running for mass production, widely used in electronics and semiconductor manufacturing lines.

  • Product Description
  • Product Characteristics
  • Performance Parameter
  • Application Field
       METROLOGY SPECIFICATION // SUB‑PICOSECOND ABLATION SYSTEM

Precision Picosecond Laser Cutting for Semiconductor Solder Preform

Clean Edge • Minimal HAZ • Stable Production

SEM Micrograph of AuSn Solder Preform Cold Cut Edge                                            SEM ABLATION CROSS‑SECTION
               MAGNIFICATION: 1,000X | AuSn20 EUTECTIC ALLOY            
           SCALE: 10.0 μm / DIV
THERMAL DISRUPTION

< 2 μm HAZ Verified

SURFACE ROUGHNESS

Ra < 0.1 μm Edge

PRODUCTION RELIABILITY

99.8% Packaging Yield

Material Processing Capabilities

Instant proof of cold athermal ablation across 4 core packaging substrates.

Solder Preform
SUBSTRATE 01

Solder Preform

Zero Phase Segregation

Thin Metal Foil
SUBSTRATE 02

Thin Metal Foil

Zero Thermal Warpage

PI Film
SUBSTRATE 03

PI Film

Zero Carbonization

FPC
SUBSTRATE 04

FPC

Zero Layer Delamination

Core Advantages

Sub‑micron hardware engineered for 24/7 fab packaging lines.

Cold Processing

< 10 ps pulse eliminates all thermal heat-affected zone.

Thermal Disruption < 2 µm

CCD Alignment

Coaxial telecentric vision with ±1.0 µm fiducial lock.

Fiducial Accuracy ±1 µm

Marble Platform

Class 00 natural granite isolates cleanroom vibration.

Cleanroom Vibration Isolation

Linear Motor

Ironless direct-drive delivering up to 3000 mm/s speed.

Max Speed 3000 mm/s

Micro‑Cut Quality & Yield Benchmark

Side‑by‑side microscopic comparison proving dramatic yield improvements.

Split Metallurgical Microscopic Analysis: Legacy Stamping vs Picosecond Cold Laser
Before: Legacy Stamping / Thermal Laser✕

Heavy Slag & Burrs

HAZ > 80 μm Micro‑Cracks

High Post‑Process Cost

After: Picosecond Cold Laser✔

Clean Edge (Ra < 0.1 μm)

Minimal HAZ (< 2 μm)

Zero Post‑Deburring

TARGET INDUSTRY APPLICATIONS

Proven in high-reliability semiconductor packaging and SMT cleanrooms.

Semiconductor Packaging

Wafer-level die attach solder preform singulation.

Electronic Components

High-speed SMT micro-circuit substrate fabrication.

Precision Metal Parts

Ultra-thin precision alloy foil stamping replacement.

KEY DECISION SPECIFICATIONS

Essential parameters for cleanroom equipment procurement.

ItemSpecification
Laser TypePicosecond
Working Area500 × 610 mm
Positioning Accuracy±1 μm
Processing SpeedMax 3,000 mm/s
Focus Spot≤ 20 μm
Warranty12 Months

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