Core Technology & Patents

Pretreatment of high-purity copper/aluminum ingots, temperature control during forming, and control of processing method and deformation amount achieve uniform and stable grain structure with grain size ≤70μm (copper) and ≤90μm (aluminum).

High-performance welding in precision small areas under a 10⁻⁴ Pa vacuum environment without deformation or leakage, resolving loose weld-pool structure and coarse grains in rotatable target welding.

Custom heating and deoxidation equipment achieves powder purity ≥99.99%, D90 <50μm, oxygen content ≤200ppm, effectively controlling powder agglomeration and grain growth.

Elastic mold design under ultra-high pressure presses single-section 2.5–4m square or tubular billets with relative density ≥70% and deformation ≤3mm.

High-quality sealed cans of special materials, vacuum degree 10⁻⁴ Pa, leak rate ≤10⁻¹⁰ Pam³/s, relative density ≥99.9%, yield ≥99.5%.

Combination of ultra-high-temperature atmosphere sintering and hot isostatic pressing achieves purity ≥99.99%, relative density ≥99.9%, grain size ≤30μm for refractory metal and alloy targets.

Liquid precipitation and suspension dispersion, spherical spray drying, achieving purity ≥99.99%, relative density ≥99.8%, grain size ≤5μm.

Optimized mold design plus ultra-high-pressure cold isostatic pressing (400 MPa), planar targets ≥1,190mm, rotatable targets ≥1,020mm, relative density ≥99.8%.

Custom sintering furnace and kiln furniture design, unique sintering curve, resistivity ≤1.5×10⁻⁴ Ω·cm, grain size ≤5μm.

For the stress-strain characteristics of soft, sticky and brittle materials, dimensional accuracy ±0.02mm, no chipping or cracks.

Effective bonding of materials with different thermal expansion coefficients, bonding rate ≥99% for planar targets and ≥98% for rotatable targets.

Surface adsorbate removal plus oxidation protection, no oxidation during storage, short pre-sputtering time, fewer abnormal discharges.

High-vacuum multiple consumable arc melting controls element ratios and impurity content, eliminating segregation, porosity and looseness defects, achieving dense, uniformly composed alloy ingots.

Niobium-titanium alloy superconducting core and high-purity oxygen-free copper matrix are precisely assembled and composited, then subjected to multi-pass diameter reduction through bundling drawing, rotary swaging and cold rolling, achieving extreme refinement and uniform dispersion of the superconducting core.