Problem When a nonreciprocal device operating at 100 GHz to 300 GHz is to be realized by using a conventional magnetic material of garnet-type ferrite or spinel-type ferrite, a huge permanent magnet is required and, therefore, it is very difficult to achieve a millimeter-wave band nonreciprocal device for practical use. The inventive method consists in first depositing a bilayer of titanium and cobalt on the substrate such that: the thickness of the titanium layer is between 0. When a PSTN call is placed to a subscriber whose line is being used for internet access, the service control point accesses the subscriber’s internet address from a database and transmits a message over the internet to the subscriber giving the subscriber the option to accept the call as a VOIP call. The method can also include determining whether the computing node has a first parameter from the one or more parameters. The handwriting data is transmitted into the microprocessor of the image processing system, and then the microprocessor marks handwriting with a specific color and superimposes it on the image according to the coordinates and the degree of width of the handwriting, so as to form a new mixed image. The apparatus and method provide for an introducer sheath having at least one side port enabling aspiration of an internal tissue puncture site and injection of a sealant.