Abstract: A gaming machine includes a base, a columnar pedestal extending vertically from the base, and a button deck adjustably coupled to the pedestal. The button deck includes an upper surface including a transparent touchscreen element, a lower surface opposite the upper surface, and a button deck body extending therebetween. At least one of the lower surface and the body include one or more transparent display elements, the one or more transparent display elements are configured to generate images of gaming machine control actuators viewable on the upper surface. The transparent touchscreen element is configured to receive touches and gestures indicating control inputs. The gaming machine also includes a player tracking card reader positioned within the button deck and accessible through a slot in a front edge of the button deck, the player tracking card reader communicatively coupled to a player tracking display area of the gaming machine.

Abstract: A method of manufacturing a preform, the method including positioning at least one glass tube in a glass outer cladding to form a preform precursor, the glass tube comprising a first open end and a second open end, forming a preform from the preform precursor, and thermally treating at least one of the preform precursor and the preform. The thermally treating including sealing the first open end and the second open end of the glass tube to form a closed tube and heating and/or cooling the glass tube to manipulate gas pressure within the closed glass tube.

Abstract: The present disclosure is directed to various embodiments of methods for making an optical fiber. The methods may include drawing an optical fiber from a hollow-core preform. The hollow-core preform may include an annular support structure with an inner surface defining an interior cavity. The interior cavity may include a tube in direct contact with the inner surface of the annular support structure. The tube may include a wall defining an internal opening, the internal opening having a sealed end. The drawing may include regulating a pressure of the internal cavity to a predetermined pressure.