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TECHSPEC® Diamond-Like Carbon (DLC) Coated Germanium Windows
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TECHSPEC® Diamond-Like Carbon (DLC) Coated Germanium Windows have been designed with durability in mind. Featuring a high efficiency broadband anti-reflection coating on one surface and a specially designed DLC coating on the other surface, these windows feature excellent transmission and environmental resistance. The DLC coated surface is designed to withstand temperature cycling from -80 to +160°F, salt spray for a continuous period of 24 hours, salt solubility for an immersion period of 24 hours, and 5,000 wiper oscillations in a sand and slurry mixture. Further, TECHSPEC DLC Coated Germanium Windows meet the MIL-C-675C requirements for severe abrasion.
| Coating Specifications | ||
| Specification | AR Coating | DLC Coating |
| Adhesion | per MIL-C-48497A Paragraph 4.5.3.1 | per MIL-M-13508C Paragraph 4.4.6 |
| Abrasion | Moderate, per MIL-C-48497A Paragraph 4.5.3.3 | Severe, per MIL-C-675C Paragraph 4.5.10 |
| Humidity | per MIL-C-48497A Paragraph 4.5.3.2 | ≥24 Hours per MIL-C-675C paragraph 4.5.8 |
| Salt Solubility | - | ≥24 Hours Immersion per MIL-C-675C paragraph 4.5.7 |
| Salt Spray | - | ≥24 Hours per MIL-C-675C paragraph 4.5.9 |
| Temperature (°F) | -80 to +160 per MIL-C-48497A Paragraph 4.5.4.1 | -80 to +160 per MIL-C-48497A Paragraph 4.5.4.1 |
| Solubility and Cleaning | per MIL-C-48497A Paragraph 4.5.4.2 | - |
| Water Solubility | 24 Hours, per MIL-C-48497A Paragraph 4.5.5.3 | - |
| Wiper | - | ≥5,000 Wipes of Sand/Slurry per TS-1888 |
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