KY125 Kyropoulos Sapphire Crystal Growth Furnace | High Efficiency — Vimfun
Crystal Growing / KY Series / Sapphire Production

KY-125

Kyropoulos Sapphire Crystal Growth Furnace for Optical & Semi-grade Ingots

The KY125 is a high-efficiency sapphire crystal growth system utilizing the Kyropoulos (KY) method. Optimized for 125kg ingots, it combines advanced tungsten resistance heating with a precise thermal field to achieve shorter growth cycles and industry-leading energy efficiency.

Kyropoulos Method Tungsten Resistance Heating 125kg Charge Optical Grade Low Energy Consumption Short Growth Cycle
125kg
Crystal Weight
W
Tungsten Heating
-30%
Growth Cycle Time
FIG. 02 / KY-125
REV. B · 2026
SAPPHIRE GROWTH FURNACE
VIMFUN / OPT
KY125 Kyropoulos Sapphire Crystal Growth Furnace
[ 01 ] CAPACITY
125 ± 25 kg
Standard ingot output per run
[ 02 ] METHOD
Kyropoulos
Low-stress crystal growth method
[ 03 ] POWER
Low OPEX
Energy-efficient heating chamber
[ 02 ] / CORE ADVANTAGES
Production Efficiency

Sapphire growth, redefined by KY125.

The KY125 platform is engineered to solve the most critical challenges in sapphire production: energy cost and cycle time.

01 / THERMAL FIELD

Advanced Tungsten Resistance Heating

Utilizes high-purity tungsten resistance heaters to create a stable and uniform thermal field, essential for the high-quality growth of 125kg sapphire ingots.

02 / PRODUCTIVITY

Optimized Growth Cycle

Through proprietary furnace design, the growth and cooling cycles are significantly shortened, allowing for higher monthly furnace throughput.

03 / COST CONTROL

Lower Energy Consumption

Precision insulation and advanced power control systems reduce electricity usage per kilogram of crystal, directly improving your bottom line.

04 / QUALITY

Low Stress, High Purity

The Kyropoulos method inherent low-stress growth mechanism ensures optical-grade clarity and high crystalline integrity for semiconductor wafers.

[ 03 ] / TECHNICAL SPECIFICATIONS
KY-125 Datasheet

Especificaciones Técnicas

ParámetroEspecificación
ModeloKY125
Dimensions (L × W × H)3450 × 2250 × 3200 mm
Crystal Weight125 ± 25 kg
Heating MethodTungsten (W) Resistance Heating
Growth MethodKyropoulos (KY)
Core AdvantageShort cycle, Low energy consumption
[ 04 ] / DOWNSTREAM PROCESSING
Sapphire Wafer Line

Beyond the growth furnace.

As a specialist in precision cutting, Vimfun provides the complete processing line to turn your sapphire ingots into high-precision substrates.

Request a Proposal

Start your sapphire project.

Whether you are setting up a new line or expanding capacity, our engineers are ready to assist with technical specs and ROI analysis.

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