Abstract: An electromagnetic interference (EMI) shield may include a frame configured to be coupled to a printed circuit board (PCB). The frame may include a horizontal body and a plurality of vertical walls extending perpendicularly from the horizontal body. The plurality of vertical walls defines a portion of a perimeter of the EMI shield, the perimeter including a concave corner defined virtually by a first and second vertical wall of the plurality of vertical walls. The first vertical wall does not extend all the way to the second wall and an opening if formed between. The first vertical wall includes an attached portion connected to the horizontal frame and an extension portion connected to the attached portion by way of a first fold. The extension portion at least partially overlays, abuts, and extends beyond the attached portion toward the second wall thereby at least partially covering the opening.

Abstract: An antenna device may include an antenna element, a planar grounding element, a first connecting element, and a second connecting element. The antenna element includes a radiator arm, a shorting arm, and a feeder arm, the shorting arm and the feeder arm being coplanar to and extending from a first edge of the radiator arm, the feeder arm extending parallel to the shorting arm. The first connecting element connects the shorting arm of the antenna element to the planar grounding element to position the antenna element and the planar grounding element in separate parallel planes. The second connecting element extends from and perpendicular to the feeder arm of the antenna element.

Abstract: An antenna device may include an antenna element, a planar grounding element, a first connecting element, and a second connecting element. The antenna element includes a radiator arm, a shorting arm, and a feeder arm, the shorting arm and the feeder arm being coplanar to and extending from a first edge of the radiator arm, the feeder arm extending parallel to the shorting arm. The first connecting element connects the shorting arm of the antenna element to the planar grounding element to position the antenna element and the planar grounding element in separate parallel planes. The second connecting element extends from and perpendicular to the feeder arm of the antenna element.

Abstract: The present disclosure discloses a device for biaxially-oriented stretching polytetrafluoroethylene hollow fiber membranes and the method thereof. The device may include a lubricant removing oven and a tube blank heating oven mounted at the outlet end of the push-compression mold, a core extension extending from the core into the lubricant removing oven and the tube blank heating oven, and a speed regulating guide wheel mounted at the outlet of the tube blank heating oven. A tube blank is extruded from a push-compression machine, inserted on the core extension for removal of lubricant in the lubricant removing oven, heated in the tube blank heating oven, transversely stretched by means of the bulked core, and then wound onto the speed regulating guide wheel for longitudinal stretching. Both transverse and longitudinal stretching can be realized for polytetrafluoroethylene tube blanks, overcoming disadvantages of traditional processing devices that can merely perform longitudinal stretching.

Abstract: The present disclosure discloses a device for biaxially-oriented stretching polytetrafluoroethylene hollow fiber membranes and the method thereof. The device may include a lubricant removing oven and a tube blank heating oven mounted at the outlet end of the push-compression mould, a core extension extending from the core into the lubricant removing oven and the tube blank heating oven, and a speed regulating guide wheel mounted at the outlet of the tube blank heating oven. A tube blank is extruded from a push-compression machine, inserted on the core extension for removal of lubricant in the lubricant removing oven, heated in the tube blank heating oven, transversely stretched by means of the bulked core, and then wound onto the speed regulating guide wheel for longitudinal stretching. Both transverse and longitudinal stretching can be realized for polytetrafluoroethylene tube blanks, overcoming disadvantages of traditional processing devices that can merely perform longitudinal stretching.