In order to improve the accuracy of bridge fault diagnosis and the correct maintenance of the company's bridge products by the related marketing service personnel of the OEM, the after-sales service department of Hande Company communicated with the related departments of the group. On September 15, 2012, the company organized “ “Shaanxi CNHTC Service Capability Enhancement 8th Special Video Conference†and “Shaanxi Auto's Appraisal of Products Failure Appraisal and Maintenance Training Special Video Conferenceâ€, Han De Company's After-Sales Service Department Technical Support Division He Zhi made a video on the use of axle maintenance and repair. Special training .
The training was the most extensive one involving the related service stations of the main engine plant. The number of personnel participating in the training was 1,038. The company's after-sales service department's technical support department, He Zhiping, introduced in detail the company bridge product types, maintenance precautions, structural maintenance precautions, and common fault diagnosis and handling. The video of the training was clear, vivid and fluent. It was well received by the participants and achieved good training results. In addition, the relevant OEMs posted training videos on the Internet for service station personnel to observe at any time.
Afterwards, the after-sales service department of Hande will also actively organize the relevant series of training to impart the latest and most complete knowledge of bridge products to each service station.
Silicon nitride can also be applied to solar cells. After the silicon nitride film is plated by PECVD, not only can it be used as an anti-reflection film to reduce the reflection of incident light, but also, in the deposition process of the silicon nitride film, hydrogen atoms of the reaction product enter the silicon nitride film and the silicon wafer. It acts as a passivation defect. Here, the silicon nitride nitrogen atomic number ratio is not strictly 4:3, but varies within a certain range depending on the process conditions, and the physical properties of the film corresponding to different atomic ratios are different.
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