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www.us-tech.com
March, 2018
SHENMAO Expands Globally Continued from page 1
Printed Circuit Boards from Prototype to Production
research and develop next-genera- tion products and technology. The company set out to study and focus on micro-lead-free soldering materi- al, aiming for high-quality, environ- mentally friendly products. In 2016, the name was officially changed to SHENMAO Advanced Materials De- velopment Center. To understand the perform-
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ance and quality of solder materi- als, the company installed a full SMT line, a wafer bumping line and wave soldering in its labora- tory. With this contingent of real- world production technology, sol- dering products are checked care- fully before being shipped. In addition to quality, the
company offers responsive service and technical support. Applica- tion engineers can visit a cus- tomer’s facility within 24 hours of a request. An experienced technical team is always on standby to solve customers’ issues. According to the company, stay-
ing true to its roots has helped it de- velop a strong reputation. “Taiwan has long seen itself as a catalyst, rather than a copyist, and an innova- tor when it comes to specialized man- ufacturing,” says Tseng. “We under- stand the importance of internation- alization and localization to develop business worldwide. Through hard work and flexibility, SHENMAO has successfully built its supply chain around the world.” As components continue to get
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smaller and board design becomes more complex, soldering has become much more challenging. Many issues arise, such as head-in-pillow, non- wetting-open, and ground pad void defects. The company recently de- buted its PF606-P140, which is de- signed to solve these problems. It has
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SHENMAO soldering materials.
“reuse and recycle” program for waste generated in the company’s plant has been established and is often re- viewed. To help educate the next gen- eration, the company set up the Schol- arship Foundation of SHENMAO, which has aided approximately 1,500 elementary school to university stu- dents over the last seven years. The company is focused on
meeting the rapidly changing de- mands in the industry over the next five years. Tseng sees semiconductor, automotive and portable devices as the strongest growing markets. “All of these require finer and more reli- able soldering materials with even higher performance,” says Tseng. Contact: SHENMAO America,
Inc., 2156 Ringwood Avenue, San Jose, CA 95131 % 408-943-1755 fax: 408-684-5477 E-mail:
usa@shenmao.com Web:
www.shenmao.com r
See at IPC APEX, Booth 2344 Heraeus Secures Rights to
Sulfur-Containing Alloys Continued from page 1
coming months, we aim to develop new amorphous alloys, build compo- nents in cooperation with various partners from industry and research, and tap into new application areas.”
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Sulfur Is Crucial After hundreds of experiments
and several years of research, led by Saarland University professor Ralf Busch, the doctoral candidates Alexander Kuball, Benedikt Bochtler and Oliver Gross collaborated with Heraeus to develop titanium alloys that are both light and extremely stable. The new metallic glass sub- stances contain a crucial nonmetallic additive: sulfur. It was surprising at first that ti-
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tanium could be combined with sul- fur in a way that makes it highly sta- ble without becoming brittle or frag- ile. “Nobody has considered sulfur for 20 or 30 years, because it never worked in any experiments,” ex- plains Oliver Gross. The scientists tested sulfur as
See at APEX, Booth 3917
an additive to various metals. They found a workable alloy with palladi- um, nickel and sulfur that had good properties. Then they tried titanium. After approximately 250 experi- ments, the research team finally found the right balance in the combi-
nation of titanium and sulfur. The al- loys they developed are almost twice as strong as conventional titanium- based metals with the same density. This makes them extraordinarily suitable for the production of light, small components for the aerospace industry.
Amorphous metals Amorphous metals are metallic
glasses with properties that resem- ble those of frozen liquids. They are cooled down from the smelter so rap- idly that no ordered structures can form in the solid state. This causes them to become amorphous, like glass. This class of materials exhibits a variety of previously incompatible characteristics and has potential for numerous high-tech applications. The materials are shock-absorbent and scratch-resistant, and also have very good spring characteristics. This is beneficial for a variety of possible applications, including durable injec- tion nozzle diaphragms, as lighter shatter-proof casings for smart- phones, or as sharp, durable scalpels and minimally invasive instruments. Contact: Heraeus, Inc., 24
Union Hill Road, West Conshohock- en, PA 19428 % 215-944-9981 E-mail:
jeffery.oddo@heraeus.com Web:
www.heraeus-electronics.com r
been shown that yield can increase dramatically by using this solder paste, especially for hard-to-solder components. It holds ISO-14000 environmen-
tal management accreditation. The company strictly follows all stan- dards, including RoHS and REACH, to avoid using hazardous materials. A
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