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TOSHIBA CORPORATION

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Toshiba : New Technology for SiC Power Modules Improves Reliability and Reduces Size

05/09/2021 | 11:06pm EDT

TOKYO--Toshiba Electronic Devices & Storage Corporation ('Toshiba') has developed package technology for silicon carbide (SiC) power modules that doubles their reliability [1] and reduces their footprint by 20%[2].

SiC realizes higher voltages and lower losses than silicon, and is widely seen as the next-generation material for power devices. While use now centers on inverters for trains, wider deployment in high-voltage applications is on the horizon, including in photovoltaic power systems and automotive equipment.

Reliability is the main concern that has limited use of SiC devices. Application in high voltage power modules requires that not only the semiconductor chip but also the package itself delivers high-level reliability. Toshiba has achieved this with a new silver (Ag) sintering technology for die bonding.

With current SiC packages, it is difficult to suppress increased on-resistance in chips over time, as higher power densities and switching frequencies trigger deterioration in their soldering. Ag sintering significantly reduces this deterioration. The thermal resistance in the Ag-sintered layer is also half that of a soldered layer, which allows chips in the module to be positioned closer together, realizing a smaller footprint.

Toshiba has dubbed the new package iXPLV, and will apply it to mass production of 3.3kV class SiC power module from the end of this month. Details of the technology were reported on May 5 at PCIM Europe, an international power semiconductor conference held online.

Disclaimer

Toshiba Corporation published this content on 10 May 2021 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 10 May 2021 03:05:07 UTC.


© Publicnow 2021
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Sales 2021 3 076 B 27 934 M 27 934 M
Net income 2021 84 063 M 763 M 763 M
Net Debt 2021 70 157 M 637 M 637 M
P/E ratio 2021 25,6x
Yield 2021 1,03%
Capitalization 2 165 B 19 682 M 19 659 M
EV / Sales 2021 0,73x
EV / Sales 2022 0,69x
Nbr of Employees 125 648
Free-Float 93,4%
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Average target price 4 753,50 JPY
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Masayoshi Hirata Chief Financial Officer & Head-Accounting
Satoshi Tsunakawa President & Chief Executive Officer
Keiichi Yumita Head-Information Systems
Yutaka Sata Vice President-Research & Development
Yoshimitsu Kobayashi Independent Outside Director
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