Silicon carbide products achieve performance improvements
Among the products exhibited by ROHM, the most eye-catching is the low-power Schottky barrier diode (SBD) "SCS110A series", MOSFET and IPM (Intelligent Power Module). They use SiC (silicon carbide) materials, and SiC is expected to become the next generation of power component materials due to its low power consumption and high withstand voltage. According to the introduction of the management of the planning department of Roma Semiconductor (Shanghai) Co., Ltd., the history of SiC materials is mainly in two aspects: First, the on-resistance is low, about 1/5 of silicon. The second is to work normally in a high temperature environment of 250 degrees Celsius, so it can be widely used in power transformers, converters, PFC circuits (power factor correction circuits) and other fields such as solar power generation in electric vehicles/hybrid vehicles. Compared with other companies, ROHM's SiC-SBD achieves a significant improvement in forward voltage and action-time impedance.
Ueda Farming also told reporters that Roma acquired the SiC wafer supplier last year, SiCrystal of Germany. The pre- and post-process of SiC was done by the branches of Roma Japan and Thailand respectively, so that Rom established SiC devices. One-stop production system. ROHM regards SiC component technology as one of the core technologies of the next-generation semiconductor business, and will continue to promote the SBD withstand voltage characteristics and strengthen the lineup of high-current products. In addition, ROHM will strengthen the power device field and accelerate the mass production of SiC-related products such as MOSFET and IPM.
LED products achieve the smallest and thinnest
ROHM has been manufacturing and selling LEDs since 1973 and has been leading the world in ultra-small LEDs. This time, Roma showed the world's smallest and thinnest patch LED PICOLED-mini series. It uses ROHM's unique high-brightness component technology and ultra-precision machining technology to achieve ultra-small, ultra-thin LED chip and package, reducing installation area by 70%.
In addition to the PICOLED-mini series of ultra-small SMD LEDs, ROHM also demonstrated the 1W and 3W high-power LED "SSML Series" for LED lighting and the mid-power LED "PSML Series" for TV backlighting. Introduction of Ueda Farming History, 1W samples have been launched, 3W products are under development and will be launched soon.
In addition, ROHM also expanded its diversified market and launched its first LED lighting product. This product has adopted the three-dimensional design technology and has applied for a patent. Ge Tianyi, the Chinese business headquarters of ROHM Co., Ltd., has three advantages: one is that the illumination is wide, the general lighting product has a light diffusion angle of 140 degrees, and the ROHM product can reach 220 degrees; the second is more energy-saving, 6W. The brightness of the bulb is comparable to that of a normal 80W fluorescent lamp; the third is a longer life, up to 40,000 hours. Currently, only Roma and Osram have developed such products worldwide, and their average selling price is about 3,000 yen.
ROHM also demonstrated the single-chip optical proximity/illuminance sensor IC "BH1771GLC" for non-contact motion detection for devices such as mobile phones and digital cameras. Ge Tianyi also told reporters that in response to the current situation that Japan is at the forefront of 3D TV, Roma has also developed a driver IC for 3D glasses.
Mechanical Diaphragm Metering Pump
As
the name suggests, Diaphragm Metering Pump using a special design and
processing of flexible diaphragm instead of the piston, under the action
of the drive mechanism to achieve reciprocating motion, complete the
suction - discharge process. Due
to the segregation of the diaphragm, the isolation between the metering
fluid and the driving lubrication mechanism is realized in the
structure. High-tech structural design and the selection of new materials has
greatly improved the service life of the diaphragm, coupled with
excellent corrosion resistance of composite materials, diaphragm
metering pumps become the main application of fluid measurement pump
type.
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