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Quant3D Launches Web Site and Online Store

Industry News | 2014-04-27 12:10:03.0

OK International is pleased to announce that Quant3D, its new brand focused on 3D printing has launched its Web site. The new site can be accessed via www.quant3d.com.

OK International

Quant 3D to Preview New Industrial Printer at EuroMold 2014

Industry News | 2014-11-18 18:02:28.0

Quant 3D, a division of OK International, will preview its new industrial 3D printer in stand 11.F103 at EuroMold 2014, scheduled to take place November 25-28, 2014 in Frankfurt, Germany. The new Q1000 Industrial 3D Printer is a high-performance, cost-effective 3D printing solution for industrial and large commercial applications.

OK International

OK International Closes on Minority Investment in 3D Printing Company

Industry News | 2014-03-24 10:29:18.0

OK International today announced that it has closed on a minority investment and product development agreement with 3D printing company TierTime Technology Co. Ltd of Beijing, China.

OK International

OK International Relocates to New State-of-the-Art Headquarters

Industry News | 2016-06-05 13:36:59.0

OK International has moved into its new, state-of-the-art world headquarters in Cypress, Calif. OK International, parent company of Metcal, Techcon Systems, Quant 3D and Proworks Software, is the main tenant in the 100,550 ft2 building.

OK International

Evaluating Soldering Irons for Lead Free Assembly -A Quantitative Approach

Technical Library | 2006-09-06 15:25:43.0

Transition to lead free solder stations in electronics packaging has raised issues regarding process, metallurgy and reliability m assemblies. In regards to soldering, lead has been used for thousands of years in a wide range of applications. Conventional eutectic or near eutectic tin-lead solder compositions have been used for virtually all soldering applications in electronics assembly for the last 50 years, In the electronics assembly process, a majority of commercial rework applications and some low density board assembly processes require hand soldering stations (...) This paper describes an attempt to quantify both qualitative and quantitative data that can aid in the evaluation of lead free soldering irons.

T.J. Watson School of Engineering and Applied Science

Performance of Light Emitting Diode on Surface Machined Heat Sink

Technical Library | 2014-05-15 14:26:27.0

350mA). Slotted surface showed good performance on both thermal and optical properties of the given 3W green LED.

Universiti Sains Malaysia

Origin and Quantification of Increased Core Loss in MnZn Ferrite Plates of a Multi-Gap Inductor

Technical Library | 2019-11-07 08:59:14.0

Inductors realized with high permeable MnZn ferrite require, unlike iron-powder cores with an inherent dis-tributed gap, a discrete air gap in the magnetic circuit to prevent saturation of the core material and/or tune the inductance value. This large discrete gap can be divided into several partial gaps in order to reduce the air gap stray field and consequently the proximity losses in the winding. The multi-gap core, realized by stacking several thin ferrite plates and inserting a non-magnetic spacer material between the plates, however, exhibits a substan-tial increase in core losses which cannot be explained from the intrinsic properties of the ferrite. In this paper, a comprehensive overview of the scientific literature regarding machining induced core losses in ferrite, dating back to the early 1970s, is provided which suggests that the observed excess core losses could be attributed to a deterioration of ferrite properties in the surface layer of the plates caused by mechanical stress exerted during machining.

Power Electronic Systems Laboratory (PES)

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