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
