Managing Multiuser Equipment
Figure 3 : A snapshot of the logbook interface in the real-time logging system. This dialog box shows the starting time and the current. Sample information and experimental conditions can be stored in the log fi le when the user logs out.
Administrative setup . A detailed description of how to use the RTLS is provided in the user manual. A brief description is given here, with reference to the fl owchart in Figure 1 . When the soſt ware fi rst starts up, the ACCOUNT (New and Edit buttons) and SYSTEM (SN and Exit buttons) are in an inactive status (see Figure 2 ). T ese buttons are only accessible by the administrator with a valid password. At the log-in interface, the basic operations in administration are the following: (i) to retrieve the serial number with the SN button, an SN dialog box pops out with the info on the current hard disk and the serial number (SN); (ii) to manage accounts when the New or Edit button is clicked, a User Info dialog box pops up with a blank account ( Figure 4 ). T e administrator may create a new account (or an existing account may be edited) by fi lling in the fi elds and clicking Save; and (iii) only the administrator may exit the RTLS system with the Exit button. A user’s ID and password is generated automatically for each new or modifi ed account. Each user may have multiple accounts if needed. Use of the RTLS . T e RTLS is accessed simply by logging in and then logging out. When a valid ID and password are used to log in, the shield interface will be replaced with the logbook interface, and the user may use the computer to control the equipment. T e logbook interface can be set in either iconized status or in normal status to check the experimental time and to write notes. When the user logs out, the information about the user and the usage of the equipment is automatically saved in ASCII text format and
Table 1 : Example list of registration data. User
Email Ackerkey Smith
asmith@gmail.com Phone 402 472ACKE
Babak Johnson
bjohnson@gmail.com 402 472BABA Caden Williams
Table 2 : Example list of instrument and service data. Date
User
6/15/2017 6/16/2017 6/17/2017
28
Ackerkey Smith Babak Johnson Caden Williams
Supervisor
Thompson, Noah Anderson, Liam Harris, Mason
cwilliams@gmail.com 402 472CADE
Figure 4 : A snapshot of the registration interface in the real-time logging system. The information required for a new user is input here. It will be retrieved when a registered user logs in.
can be loaded into Microsoſt Excel for reporting purposes. T e log-in interface is then ready for the next user. Table 1 shows an example list of registration data, and Table 2 shows an example list of instrument and service data.
Application Examples T e RTLS soſt ware has been installed in the author’s home research center for managing several instruments since 2015, and subsequently it was installed in the electron microscopy facility of Youngstown State University (OH). Two application examples are described here to indicate features of the RTLS. For an FEI (now T ermo Scientifi c) Osiris scanning/ transmission electron microscope (S/TEM) with EDS, it is essential that the status of the microscope (for example, liquid nitrogen level and vacuum) can be monitored constantly in real time. T e semi-transparent shield of the RTLS is suffi cient for this purpose, as shown in Figure 5 .
For an FEI NanoSEM scanning electron microscope (SEM) with an Oxford energy dispersive x-ray spectroscopy (EDS) system, it may useful to record the usage of the SEM and the EDS separately. For example, there may be times when the SEM could be booked for just imaging, and the EDS system could
Department Physics
Chemistry Engineer
Cost Number 2511230056723 2511230012341 2511230033001
Supervisor
Thompson, Noah Anderson, Liam Harris, Mason
Cost Number 2511230056723 2511230012341 2511230033001
Instrument (Hour) Service (Hour) 3.0 3.5 4.0
3.0 0.0 2.0
www.microscopy-today.com • 2018 January
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