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Electronic raw materials cold storage project

Shanghai XNAIR builds Taizhou's first semiconductor-grade cold storage with -10℃~0℃ flexibility and HEPA 14 filtration for Mingxin Microelectronics, ensuring raw material stability for power devic

Project Overview

Constructed a 917m³ multi-temperature cold storage facility for Mingxin Microelectronics' semiconductor material storage, integrating Class 8 cleanroom standards with rapid deployment in 45 days.

Start time 2019

Industry Semiconductor Materials Cold Chain

Project location Taizhou

Project Scale 917m³ Multi-temperature Cold Storage

Temperature Range -10℃~0℃ Adjustable

Facility Type Semiconductor Grade Cold Storage

Construction Material 150mm Polyurethane Cleanroom Panel

Client Industry Semiconductor Device Manufacturing

Project Duration 45 Days

Challenges Faced

Precision Temperatures - Maintain -10℃~0℃ range for chemical reagent stability

Cleanroom Compliance - Achieve ISO 14644-1 Class 8 in cold storage environment

Rapid Deployment - Complete installation within 45 days during production ramp-up

Vibration Control - Isolate compressor vibrations from sensitive semiconductor equipment

XNAIR Cold Storage Solution

Cleanroom Integration - 150mm PUR panels with embedded HEPA 14 filters

Dual-circuit Refrigeration - Bitzer OSN85 compressors with EC fan arrays

Vibration Damping - Spring-mounted compressor base with anti-vibration pads

Smart Transition - Seamless temperature transition from -10℃ to 0℃ in ≤90min

Project Results and Benefits

Yield Improvement - 22% reduction in semiconductor wafer scrap rates

Energy Efficiency - 28% lower power consumption via variable speed drives

Compliance Achievement - First cold storage in Jiangsu meeting ISO 14644-1 Class 8

Production Ramp - Enabled 35% capacity increase for power MOSFET production line

Delivered China's first ISO 14644-1 Class 8 certified semiconductor cold storage with -10℃~0℃ precision control, reducing material waste by 22%

The cold storage's temperature stability and particle control directly contributed to our power device yield reaching 98.7% in 2019 Q3. —— Manufacturing VP

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Electronic raw materials cold storage project

Project Overview

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