Abstract: An improved heat sink clip assembly comprises a pair of retaining members in elongated type for readily retained at opposite sides of an electronic device package. A finned heat sink having integral holders at opposite sides is placed over the package and defines the retaining members by means of the holders. Each retaining member is formed with a shoulder and has at least one tongue along the shoulder and respective hook at both upraising ends. A wire clip is detachably engaged with each end hook to secure the whole assembly all together.

Abstract: A novel library case for diskettes is disclosed. The case comprises a lid, a base having a longitudinal length slightly smaller than half the length of the lid and being provided with at least one stop means, and a support disposed at rear portion of the base with a longitudinal length complementary constituting the difference between the lengthes of the lid and the base and being formed with at least one snap notch along lateral rim, in such a construction that when the lid is lifted up with respect to the base for about 90.degree. to 120.degree. degrees, the stop means will engage with the snap notch to be securely fixed to present the open position and the support is synchronously moved with respect to the lid in forward inclination of about 45 degrees for setting up the diskettes contained in the case.