MIM finds applications in optical communication

July 1, 2007

000388Sumitomo Osaka Cement (SOC) has been producing MIM parts at its Funabashi (Chiba Pref.) site since 1987 with several expansions in capacity since that time.

According to a SOC technical report from the Metal Injection Team of the Advanced Materials Research Group the company uses its own unique water based binder, which vastly reduces debinderising time compared with conventional heat extraction method, and this has been found advantageous for materials as Covar (Iron-Nickel-Cobalt), Permendur (Iron-Cobalt-Vanadium) and SUS430 and 304L (stainless steel) used to produce optical communications parts which require low thermal expansion coefficients.

Examples of MIM parts in this area include the shown cap part (Fig.1) with thickness varying from 0.1 mm to 0.2 mm – this part would be difficult using conventional pressing because of the angled bottom. Also shown (Fig.2) are holder parts with flange where the flange was previously welded to the holder. Another example is a box shaped packaging part, made from Kovar, Fe-50%Ni, with tolerance within ±0.5% and 304L stainless steel ferrules offering good weldability.

In the latest issue of PIM International…

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Extensive MIM, CIM industry and sinter-based AM industry news, plus the following exclusive deep-dive articles and reports:

  • Global Markets for Metal Injection Moulding: Data and insight from World PM2022 and beyond
  • HP Metal Jet: Growing momentum and new applications as Binder Jetting comes of age
  • Sintex: Exploring the full flexibility of metal powder-based processes for corrosion-resistant applications
  • Tritone’s MoldJet: The definition-defying AM technology advancing steadily toward commercialisation
  • The metal powder-based processing of titanium: MIM and AM-related highlights from the PMTi2022 conference
  • Opening the door to MIM parts: A case study on the conversion of die cast door hinges

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