A service receiving device is provided for in a production facility such as a component mounting apparatus. A service providing device is provided for on a manufacturer's side of the production facility. The service receiving device and service providing device are configured to communicate with each other through various communication systems including, for example, the Internet. The communication system can be operated by software to create and/or transmit service responses to problems or production matters, including productivity or quality of maintenance.

 
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> Multi-wavelength light receiving element and method of fabricating same

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