Abstract: The inventive concept provides a substrate treating method. The substrate treating method includes supplying a liquid to a substrate; and heating the substrate after the supplying the liquid, and wherein the supplying the liquid includes: supplying a first liquid to the substrate; and supplying a second liquid which is different from the first liquid to a substrate to which the first liquid is supplied, and wherein the second liquid is supplied as a test to the substrate and a contact angle between the second liquid which is supplied and the substrate is measured to determine a degree of hydrophilization of the substrate, and a supply mechanism of the second liquid supplied to the substrate is determined based on the degree of hydrophilization of the substrate which is determined, before the supplying the second liquid is performed.

Abstract: An apparatus for testing a multimedia device includes a database log tracking device that transmits a log of a first terminal and a processor that monitors the log to detect a predetermined event, obtains event execution information at a timing when the event occurs from the first terminal and a second terminal interworking with the first terminal in response to that the event is detected, and compares the event execution information with predetermined reference information to determine operation states of the first and second terminals.

Abstract: The inventive concept provides a substrate treating method. The substrate treating method includes pre-treating a substrate by cleaning the substrate; etching the substrate by supplying an etchant and heating a substrate supplied with the etchant; and post-treating the substrate after the etching the substrate, and wherein the pre-treating the substrate, the etching the substrate, and the post-treating the substrate are each performed in different chambers, a substrate on which the pre-treating the substrate is completed is transferred in a dry state to a chamber at which the etching the substrate is performed, and a substrate on which the etching the substrate is completed is transferred in a wetted state with a liquid to a chamber at which the post-treating the substrate is performed.

Abstract: Disclosed is a security locking device mounted on a body of a desk top computer. The locking device is key operated and allows the user to either disassemble the chassis or to turn on power to the appliance, depending on which direction and how far a key is rotated. The structure of the lock is simple as no microprocessor is used to operate the lock. Instead, a pair of contacting rods, positioned on a rotating shaft rotate onto contact plates to form electrical contact with the contacting plates, thus delivering power to the computer when the key is rotated to one of three possible positions. The computer chassis can be disassembled if the key is rotated to another of the three positions. Since the device is key operated, only authorized personnel can disassemble the device or electrically energize the device, thus protecting the computer hardware and software from theft.