Business Scope

YESEMI provides a comprehensive suite of solutions tailored for global semiconductor manufacturers. Our business is focused on three pillars: Verified equipment refurbishment for core tools, global sourcing of genuine OEM and used parts, and dedicated on-site technical support to maximize your operational efficiency and minimize downtime.

1. Verified Equipment Refurbishment

As our core business, verified refurbishment guarantees precision engineering and rigorous testing, extending the lifespan and performance of your core semiconductor tools. We adhere to the highest industry standards through the following systematic process :

Core Equipment Refurbishment Focus [LAM CVD]

PE-SiH4 Focus

200mm: C2 SEQUEL
300mm: C3 VECTOR
Precision Thin Film Deposition

PE-TEOS Expertise

200mm: C2 SEQUEL
300mm: C3 VECTOR
High-Quality Dieletric Layer

W-CVD Capability

200mm: C2 ALTUS
300mm: C3 ALTUS
Tungsten Plug & Contact

HDP-CVD Solution

200mm: C2 SPEED
300mm: C3 SPEED
High-Density Plasma

Our Precision Refurbishment Process

Requirement Spec & Initial Inspection

Disassembly & Deep Cleaning

Component Refurbishment / Replacement

System Reassembly & QA Testing

Certified Packaging & Shipping

2. Global OEM & Used Parts Supply

To support our refurbishment services and maintenance needs worldwide, YESEMI operates a reliable, expansive global supply chain. We provide access to both genuine OEM (Original Equipment Manufacturer) parts and used spares, crucial for immediate maintenance. Our extensive inventory covers critical components for LAM CVD systems, all guaranteed to minimize your production downtime and reduce overall operating costs.

Guaranteed OEM Parts

Certified by the original manufacturer, these brand-new components ensure 100% compatibility and system integrity.

Extensive Used Parts Inventory

Access our large, ready-to-ship inventory of used components. This extensive stock ensures prompt availability and easy acquisition of parts.

Optimal Cost Flexibility

We offer cost-effective options by providing flexible access to both guaranteed OEM parts and readily available Used components.

3. Expert Technical Service & System Integrity Support

We provide comprehensive system support delivered by expert field engineers. Our expertise extends beyond standard maintenance to include advanced component repair and full system overhauls, guaranteeing maximized equipment lifespan and operational performance

Installation & Relocation

Provides full-scope support for new system installation and safe equipment relocation.

Component Restoration

Expert services for faulty component repair and overhaul. We restore critical functionality and extend the system's service life, offering a reliable, cost-effective solution.

Calibration & Troubleshooting

Expert engineers provide rapid on-site field service, effective resolution of complex hardware/process issues, and precision system calibration.

4. Specialized Component Repair & Overhaul

We go beyond simple repairs, extending component lifespans and maximizing equipment uptime through rigorous testing and precision restoration.

RF Solutions

RF Generators
RF Matchers

Power Supply

DC Power Supply
Power Distributor

Control Unit

System Controllers
Interface Module

Mechanical

ATM/VTM Robot
Servo Spindle

Our Specialized Repair & Overhaul Process

Incoming Diagnosis

Precision Cleaning

Core Repair & Replacement

Performance Calibration

Final Quality Validation