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| Product Name | 3-11 µm Gold-Coated Conductive Polymer Microspheres for ACF, ACP and LCD |
| Catalog No. | IGM-HMM-0271 |
| Description | Alta DiagnoTech conductive gold microspheres use a monodisperse polymer core with a strongly bonded gold shell. Controlled particle size and elasticity support stable electrical contact in fine-pitch display and anisotropic conductive assemblies. |
| Intended Use | LCD frame conduction, vertical conduction between display substrates, anisotropic conductive film and anisotropic conductive paste. |
| Principle / Technology | Compressible conductive contact formed by a gold-coated polymer microsphere. |
| Performance Range / Specifications | The overview states 3.0-11.0 µm sizes at 0.25 µm increments. The repeated parameter table lists 3.00-10.00 µm, CV ≤3.5%, 10% compression modulus approximately 250-500 kgf/mm² depending on series and size, coating thickness 100-150 nm and metal content 25-40%. |
| Product Form | Gold-coated conductive polymer microspheres |
| Quality Control | Particle-size CV ≤3.5%; particles are described as well dispersed without overlap or agglomeration. |
| Key Features | 3.0-11.0 µm overview range 0.25 µm size increments CV ≤3.5% Gold shell for fine-pitch conductive contact |
| Chemical Composition | Monodisperse polymer core with a gold shell |
| Density | Approximately 1.7 g/cm³ |
| Product Type | Gold-coated conductive microspheres |
| Function / Efficacy | Compressible conductive spacing and interconnection in display and microelectronic assemblies. |
| Matrix | Polymer core with a gold shell |
| Particle Size | Overview range 3.0-11.0 µm; repeated parameter table 3.0-10.0 µm |
| Coefficient of Variation (CV) | ≤3.5% |
| Particle Size Increment | 0.25 µm |
| 10% Compression Modulus | Approximately 450 or 500 kgf/mm² for LCD-frame variants; approximately 250 or 300 kgf/mm² for ACF/ACP variants |
| Thermal Expansion Coefficient | Core: 5-7 ×10⁻⁵ °C⁻¹; metal: 1.3-1.4 ×10⁻⁵ °C⁻¹ |
| Volume Resistivity | <1×10⁻² Ω·cm under the stated 10 kg/10 mm diameter-cell test condition |
| Coating Thickness | 100-150 nm gold layer |
| Metal Content | Repeated parameter table: 25-35% for larger-size groups and 30-40% for smaller-size groups |
For research use only, not for clinical use.
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