{"id":4728,"date":"2025-07-20T20:55:13","date_gmt":"2025-07-21T06:25:13","guid":{"rendered":"https:\/\/jundro.io\/?page_id=4728"},"modified":"2025-11-19T20:27:47","modified_gmt":"2025-11-20T05:57:47","slug":"clearceram-z","status":"publish","type":"page","link":"https:\/\/jundro.io\/ja\/\u30af\u30ea\u30a2\u30bb\u30e9\u30e0z\/","title":{"rendered":"\u30af\u30ea\u30a2\u30bb\u30e9\u30e0-Z"},"content":{"rendered":"\t\t
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CLEARCERAM-Z<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Suitable for extreme temperature environments or very high precision applications<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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An ultra-low thermal expansion glass-ceramic developed and manufactured by Japan’s Obara Corporation is a similar material to Zerodur<\/a><\/span> (Schott) and ULE<\/span><\/a> (Corning).<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"CLEARCERAM-Z-Machining\"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Product Data<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Property Category<\/td>\nProperty<\/td>\nUnit<\/td>\nRegular<\/td>\nHS<\/td>\nEX<\/td>\n<\/tr>\n
Thermal Properties<\/td>\nCoefficient of Thermal Expansion (0\u201350\u2103)<\/td>\n10\u207b\u2077\/\u00b0C<\/td>\n0.0 \u00b1 1.0<\/td>\n0.0 \u00b1 0.2<\/td>\n0.0 \u00b1 0.1<\/td>\n<\/tr>\n
Thermal Conductivity (k)<\/td>\nW\/m\u00b7\u00b0C<\/td>\n1.51<\/td>\n1.54<\/td>\n1.49<\/td>\n<\/tr>\n
Mechanical Properties<\/td>\nYoung\u2019s Modulus (E)<\/td>\nGPa<\/td>\n90<\/td>\n92<\/td>\n91<\/td>\n<\/tr>\n
Rigidity<\/td>\nGPa<\/td>\n36<\/td>\n37<\/td>\n37<\/td>\n<\/tr>\n
Poisson\u2019s Ratio<\/td>\n\u2014<\/td>\n0.25<\/td>\n0.25<\/td>\n0.25<\/td>\n<\/tr>\n
Knoop Hardness (Hk)*<\/td>\n\u2014<\/td>\n600 (6)<\/td>\n590 (6)<\/td>\n620 (6)<\/td>\n<\/tr>\n
Abrasion (Aa)*<\/td>\n\u2014<\/td>\n62<\/td>\n62<\/td>\n62<\/td>\n<\/tr>\n
Bending Strength***<\/td>\nMPa<\/td>\n216<\/td>\n122<\/td>\n126<\/td>\n<\/tr>\n
Specific Gravity (d)<\/td>\n\u2014<\/td>\n2.55<\/td>\n2.55<\/td>\n2.55<\/td>\n<\/tr>\n
Optical Properties<\/td>\nRefractive Index (nd)<\/td>\n\u2014<\/td>\n1.546<\/td>\n1.547<\/td>\n1.546<\/td>\n<\/tr>\n
Refractive Index at 1550nm<\/td>\n\u2014<\/td>\n1.528<\/td>\n1.528<\/td>\n1.528<\/td>\n<\/tr>\n
Abbe Number (\u03bdd)<\/td>\n\u2014<\/td>\n55.5<\/td>\n54.9<\/td>\n55.5<\/td>\n<\/tr>\n
Internal Transmittance at 500nm<\/td>\n\u2014<\/td>\n0.89<\/td>\n0.89<\/td>\n0.89<\/td>\n<\/tr>\n
Internal Transmittance at 980nm<\/td>\n\u2014<\/td>\n> 0.98<\/td>\n> 0.98<\/td>\n> 0.98<\/td>\n<\/tr>\n
Internal Transmittance at 1550nm<\/td>\n\u2014<\/td>\n> 0.98<\/td>\n> 0.98<\/td>\n> 0.98<\/td>\n<\/tr>\n
Chemical Properties<\/td>\nWater Resistance (Powder)* (RW(P))<\/td>\n\u2014<\/td>\nClass 2<\/td>\nClass 1<\/td>\nClass 1<\/td>\n<\/tr>\n
Acid Resistance (Powder)* (RA(P))<\/td>\n\u2014<\/td>\nClass 1<\/td>\nClass 1<\/td>\nClass 1<\/td>\n<\/tr>\n
Alkali Resistance (Powder)* (Ralk(P))<\/td>\n%<\/td>\n0.25<\/td>\n0.19<\/td>\n0.18<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Regular, HS and EX are three different grades or types of this material, corresponding to different performance optimization directions.<\/strong><\/p>

  • Regular<\/strong>:General purpose, balanced performance;<\/li>
  • HS<\/strong>:Strengthening of mechanical properties;<\/li>
  • EX<\/strong>:Highest thermal stability for extreme temperature environments or very high precision applications.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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    Applications<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    • Space optical equipment<\/li>
    • Vacuum interferometry platform<\/li>
    • Atomic clock\/ion trap structure<\/li>
    • High-stability laser resonant cavity frame<\/li>
    • Laser gyroscope system<\/li>
    • Lightweight reflector<\/li>
    • Precision sensing platform<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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      Capabilities and Services<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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      We can reliably customize the most complex optical components to support the world’s most challenging projects<\/p>

      • Material: Zerodur, CLEARCERAM-Z, ULE, fused silica<\/li>
      • Lightweight: up to 70% weight reduction<\/li>
      • Minimum order quantity: one piece<\/li>
      • Fast delivery cycle: prototypes can be completed in as fast as 7 days<\/li>
      • On-time delivery rate: more than 99% on-time delivery rate<\/li>
      • Maximum size supported: 500*500mm<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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        FAQs<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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        Yes. CLEARCERAM-Z<\/strong> is a machinable ultra-low expansion glass-ceramic. It can be cut, ground, polished, and drilled<\/strong> using diamond or carbide tools. Jundro Ceramics<\/strong> is a professional supplier with extensive experience in precision machining, prototyping, and small-batch production<\/strong> of CLEARCERAM-Z components for optics, metrology, and semiconductor applications.<\/p><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t

        \n\t\t\t\t\t\t\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<\/path><\/svg>\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<\/path><\/svg>\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tCan CLEARCERAM-Z replace Zerodur or NEXCERA?\t\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t
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        Yes, in many applications. CLEARCERAM-Z provides:<\/p>

        • Ultra-low thermal expansion<\/strong> comparable to Zerodur and NEXCERA<\/p><\/li>

        • High dimensional stability<\/strong> under temperature changes<\/p><\/li>

        • Excellent homogeneity<\/strong> for precision optics and measurement systems<\/p><\/li><\/ul>

          It is suitable for optical benches, mirrors, precision tooling, and metrology instruments<\/strong>, especially where cost or availability favors CLEARCERAM-Z.<\/p><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t

          \n\t\t\t\t\t\t\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<\/path><\/svg>\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<\/path><\/svg>\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tWhat is the approximate price of CLEARCERAM-Z?\t\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t
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          The price depends on part size, grade, surface finish, and machining complexity<\/strong>.<\/p>

          • As a high-performance ultra-low expansion ceramic<\/strong>, it is generally more expensive than standard glass or fused silica<\/strong> but often slightly lower cost than Zerodur<\/strong> for small or prototype components.<\/p><\/li>

          • Jundro Ceramics<\/strong> can provide custom quotes<\/strong> based on geometry, tolerance, and batch size.<\/p><\/li><\/ul><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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            Contact us via form<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            Not sure which ceramic material is suitable for your application? Contact our experts for assistance<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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