FITI GROUP

Fiti has nearly 20 years of experience of surface treatment manufacturing, and has established representative surface treatment capabilities for semiconductor equipment.

Surface treatment technologies cover chemical cleaning , chemical conversion coating, nickel plating, anodizing and electro-polishing.

UHV Cleanliness
Surface Treatment Surface Morphology
Treatment Micro Contamination
Inspection

The surface treatment processes of Fiti cover chemical cleaning, electro polishing, chemical conversion coating, anodizing and nickel plating.

♦ Chemical Cleaning: Fiti has advanced chemical cleaning lines to meet ICP-MS and LPC requirements in addition to conventional cleaning line for general cleanliness.

♦ Electro-Polishing: Remove burrs or improve brightness of aluminum and stainless steel parts.

♦ Chemical Conversion Coating on Aluminum Alloy: Both colorless and gold CCC processes in Fiti do not contain hexavalent chromium, which meets environmentally friendly requirements.

♦ Anodizing：Multiple anodizing treatment processes can meet different requirements from customers.

Process	Applicable Specification	Key Performance		Picture
Process	Applicable Specification	Coating Thickness (μm)	Surface Roughness (μm)	Picture
Hard Anodization	MIL-A-8625 Customized Spec.	45~115	≤1.6	(Right) Low Sulfur ▼ (Left) High Micro Hardness ▼
Sulfuric Acid Anodization	MIL-A-8625 Customized Spec.	5~25	≤1.6
Oxalic Acid Anodization	Customized Spec.	20~35	≤1.6

♦ Nickel Plating：
A.The advantage of Fiti's ENP is the capability of handling various complex parts, such as large chamber body and high-precision holes.
B.Fiti's SNP has uniform appearance and good adhesion on substrates, which can be applied to different component features including grooves and flat surfaces.

Process	Applicable Specification	Key Performance		Picture
Process	Applicable Specification	Coating Thickness (μm)	Phosphorus Content (wt.%)	Picture
Electroless Nickel Plating	MIL-C-26074 AMS-2404 Customized Spec.	25~ 35	10~12
Selective Nickel Plating	MIL-STD-865 Customized Spec.	5~20	N/A

Fiti has professional surface morphology treatment processes, including polishing, bead blasting, masking, and assembly.

Through the application of automated production equipment and precision metrology instruments, production efficiency and quality control stability are improved.

Fiti establishes ICP-MS and LPC metrology procedures to meet customer requirements for high cleanliness processes.