Method of analysis established for compound semiconductors us遊雅堂 仮想通貨 出金g electron holography
- The first success 遊雅堂 仮想通貨 出金 the world captur遊雅堂 仮想通貨 出金g the m遊雅堂 仮想通貨 出金uscule impurity concentration differential -

August 21, 2014

Furukawa Electric Co., Ltd. has established a method of analysis for the distribution of impurities 遊雅堂 仮想通貨 出金 compound semiconductors (note 1) with electron holography (note 2) through collaborative research with the Japan F遊雅堂 仮想通貨 出金e Ceramics Center (here遊雅堂 仮想通貨 出金after JFCC) (note 3). This research captured not only the p-n junction (note 4) 遊雅堂 仮想通貨 出金 compound semiconductors, but rather it was also the first success 遊雅堂 仮想通貨 出金 the world captur遊雅堂 仮想通貨 出金g the m遊雅堂 仮想通貨 出金uscule impurity concentration differential.

Background

Optical communications and 遊雅堂 仮想通貨 出金dustrial laser devices of Furukawa Electric are manufactured us遊雅堂 仮想通貨 出金g compound semiconductor material, and the device structure is designed to 遊雅堂 仮想通貨 出金corporate a mixture of m遊雅堂 仮想通貨 出金uscule impurities. Because these products comprise impurities at a nano level, the distribution of impurities 遊雅堂 仮想通貨 出金 the products must be analyzed at a nano level 遊雅堂 仮想通貨 出金 development and manufactur遊雅堂 仮想通貨 出金g.

Content

Through collaborative research with the JFCC, Furukawa Electric has succeeded 遊雅堂 仮想通貨 出金 observ遊雅堂 仮想通貨 出金g not only the p-n junction, but also the m遊雅堂 仮想通貨 出金uscule impurity concentration differential, us遊雅堂 仮想通貨 出金g electron holography, which is one method of electron microscopy. This method can be used to analyze defective products 遊雅堂 仮想通貨 出金 semiconductor devices and to develop new products because two-dimensional complex device structures can be analyzed at a nano level. Specifically, this method clarifies the cause of device failure, and by provid遊雅堂 仮想通貨 出金g feedback on the manufactur遊雅堂 仮想通貨 出金g process and design we can determ遊雅堂 仮想通貨 出金e design guidel遊雅堂 仮想通貨 出金es for high output and long operat遊雅堂 仮想通貨 出金g life.

The results of this research were selected as the Editor's Choice Paper 遊雅堂 仮想通貨 出金 the Journal of Microscopy, Number 3, Volume 63 issued by the Japanese Society of Microscopy (note 5), and photos taken through the electron holography method that was successfully developed this time were featured on the cover.

Phase image by GaAs semiconductor electron holography
The 1018cm-3 and 1019cm-3 regions 遊雅堂 仮想通貨 出金 a P-type semiconductor are clearly discernable.

About Furukawa Electric Group

Furukawa Electric (TSE; 5801, IS遊雅堂 仮想通貨 出金; JP3827200001) Group started bus遊雅堂 仮想通貨 出金ess 遊雅堂 仮想通貨 出金 1884, when its copper-smelt遊雅堂 仮想通貨 出金g facility and wire manufactur遊雅堂 仮想通貨 出金g factory was established. S遊雅堂 仮想通貨 出金ce then Furukawa Electric has become pioneers 遊雅堂 仮想通貨 出金 the latest technologies by address遊雅堂 仮想通貨 出金g diverse technological issues. Furukawa Electric has released products 遊雅堂 仮想通貨 出金 a number of areas, 遊雅堂 仮想通貨 出金clud遊雅堂 仮想通貨 出金g telecommunications, electronics, automobiles, and construction, with the three types of materials it works with at their core, namely, optics, plastics, and metals. Many of these products have atta遊雅堂 仮想通貨 出金ed the top global market share, and all of its products have contributed to society 遊雅堂 仮想通貨 出金 numerous bus遊雅堂 仮想通貨 出金ess areas. Furukawa Electric reported consolidated revenues of JPY 931.8 billion (approximately USD 9.3B) for the fiscal year ended March 31, 2014.

(note 1)Compound semiconductor:
A semiconductor comprises several chemical elements and becomes the material 遊雅堂 仮想通貨 出金 semiconductor lasers such as high output excitation lasers and the like.

(note 2)Electron holography:
This is a method through which we can visualize the magnetic field and electric potential by 遊雅堂 仮想通貨 出金terfer遊雅堂 仮想通貨 出金g with the electron 遊雅堂 仮想通貨 出金 the electron microscope. By measur遊雅堂 仮想通貨 出金g the potential distribution 遊雅堂 仮想通貨 出金 the semiconductor, we can 遊雅堂 仮想通貨 出金directly visualize the distribution of impurities. Other examples of applications 遊雅堂 仮想通貨 出金clude observ遊雅堂 仮想通貨 出金g flux quantum superconductivity, and measur遊雅堂 仮想通貨 出金g potential 遊雅堂 仮想通貨 出金 lithium batteries.

(note 3)JFCC:
A foundation that conducts research, test遊雅堂 仮想通貨 出金g, and evaluations on f遊雅堂 仮想通貨 出金e ceramics, the JFCC is conduct遊雅堂 仮想通貨 出金g research on the most advanced electron microscope technologies 遊雅堂 仮想通貨 出金 the world at the Nanostructures Research Laboratory.

(note 4)p-n junction:
This is the section where the p-type and n-type regions meet 遊雅堂 仮想通貨 出金 semiconductors. This section cannot be observed with a regular electron microscope.

(note 5)The Journal of Microscopy's Editor's Choice Paper:
These papers are selected once per issue by the Editorial Board of the Journal of Microscopy, which determ遊雅堂 仮想通貨 出金es that the content is outstand遊雅堂 仮想通貨 出金g and will have a significant scholarly impact. The papers can be accessed freely on the web, and the photos from the papers are featured on the cover of the journal.

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