Insulating Spacers For Scientific Instruments 99.6% Al₂O₃ Material Ra Lt 0.1 Mu M Surface Roughness 320M

Insulating Spacers For Scientific Instruments 99.6% Al₂O₃ Material Ra Lt 0.1 Mu M Surface Roughness 320M

This series of alumina ceramic insulating spacers are manufactured from 99.6% high-purity Al₂O₃ material, featuring ultra-high volume resistivity (>10¹⁵Ω·cm) and dielectric strength (25kV/mm). With specialized surface treatment achieving Ra<0.1μm surface roughness, these components are specifically designed for electrical isolation requirements in high-voltage equipment, precision instruments, and semiconductor manufacturing devices.

Core Applications

• Power Electronics: IGBT module isolation, high-voltage power component insulation

• Semiconductor Equipment: Etcher RF matcher isolation, PECVD equipment insulating rings

• Medical Devices: MRI equipment insulation components, HF surgical instrument isolation

• Scientific Instruments: Particle accelerator insulating rings, high-energy physics experimental setups

• Industrial Automation: Servo motor insulating washers, robotic joint isolation

Performance Advantages

★ Superior Insulation: Withstands up to AC 30kV (1mm thickness)
★ High-Temperature Resistance: Continuous operation from -60℃ to 1200℃
★ Precision Dimensions: ID/OD tolerance ±0.01mm
★ Aging Resistance: <5% insulation degradation over 10 years
★ Multifunctional: Optional conductive/insulative zone design

Technical Specifications

Precision Manufacturing Process

1. Material Preparation: 0.5μm high-purity alumina powder

2. Forming Process:

   • Dry pressing (simple structures)

   • Injection molding (complex structures)

3. Sintering Process: 1650℃ hydrogen atmosphere sintering

4. Precision Machining:

   • CNC internal/external grinding (±0.005mm)

   • Double-end precision grinding

5. Surface Treatment:

   • Laser marking (0.02mm depth)

   • Antistatic coating (optional)

6. Quality Inspection:

   • 100% high-voltage insulation testing

   • Full-dimension CMM inspection

Installation Guidelines

⚠ Mounting Notes:

• Clean contact surfaces with alcohol before installation

• Recommended torque: M3 bolts 0.5N·m, M6 bolts 2.5N·m

• Avoid direct rigid connection with materials of different CTE

• Silver plating recommended for high-frequency applications

⚠ Maintenance Requirements:

• Check insulation resistance every 5,000 hours

• Replace immediately if surface carbonization is observed

• Storage humidity should be <60%RH

Service Commitment

• Technical Support: Free insulation system design consultation

• Testing Services: Third-party insulation performance reports available

• Emergency Response: 48-hour rapid replacement service

• Custom Development: Fast prototyping for non-standard sizes

FAQ

Q: Advantages over plastic insulating spacers?
A: 300℃ higher temperature resistance, 10x longer lifespan, no aging issues

Q: Maximum producible diameter?
A: Standard sizes Φ3-200mm, custom sizes available

Q: Radiation-resistant options?
A: Radiation-resistant models available (withstands 10⁶Gy dose)

Q: Surface metallization options?
A: Gold/silver/nickel plating choices available

We are a company with many years of experience in the production of special precision ceramics and the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics.

Deyu Precision Ceramics Technology Co., Ltd. has many years of experience in producing special precision ceramics, and has the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics. At present, the company has production and processing equipment such as dry press, isostatic press, experimental furnace, flat kiln, machining center, surface grinder, universal internal and external grinder, centerless grinder and laser cutting machine, as well as complete high-precision testing equipment such as high-precision projector, three-dimensional tester, metallographic microscope, hardness tester and densitometer.

With advanced production technology and complete production facilities, the company is one of the few domestic enterprises that can produce special precision ceramic structural parts and functional parts with machining accuracy less than 2 microns, and has strong core competitiveness in the same industry in China.

Advantages of the company: 1. National new technology enterprises; 2. The company has a municipal R&D center; 3. Cooperation with domestic key universities and research institutes; 4. Design, molding, sintering and precision processing; 5. The products cover alumina, zirconia, silicon nitride, silicon carbide and other precision ceramics; 6. Precision plus technology.

The company has always been standing in the position of customers to solve problems, focusing on the principle of quality and delivery time, adhering to the business philosophy of "integrity, innovation and reassurance", and sincerely looking forward to cooperating with you.