Abstract: A semiconductor structure and a manufacturing method thereof are provided. The semiconductor structure includes an interconnect structure disposed over a semiconductor substrate, contact pads disposed on the interconnect structure, a dielectric structure disposed on the interconnect structure and covering the contact pads, bonding connectors covered by the dielectric structure and landing on the contact pads, and a dummy feature covered by the dielectric structure and laterally interposed between adjacent two of the bonding connectors. Top surfaces of the bonding connectors are substantially coplanar with a top surface of the dielectric structure, and the bonding connectors are electrically coupled to the interconnect structure through the contact pads.

Abstract: An exhaust structure includes a piping section, wherein the piping section has a first inner diameter in a central region of the piping section, the piping section has a second diameter in at least one of an inlet or an outlet, and the second diameter has a same value as the first inner diameter. The exhaust structure further includes a plurality of smoothing layers configured to resist turbulence and condensation produced by a flow of one or more gasses in the piping section.

Abstract: A biodegradable waterproof paper coated with PLA film and the manufacturing method for the same are disclosed. The biodegradable waterproof paper includes a PLA film on at least one surface of the paper and the PLA film partially infiltrates into the fibers of the paper.

Abstract: A biodegradable two-liquid type foaming composition, which comprises main liquid and auxiliary liquid, is disclosed. The main liquid is formed by mixing polylactic acid powder, polycaprolactone polyol and foaming agent. The auxiliary liquid is formed by mixing polyol and isocyanate. Once the main liquid and the auxiliary liquid are mixed, the foaming reaction proceeds and the biodegradable foam is formed.

Abstract: Biodegradable desiccant grains include 80-85 weight parts of a polylactide matrix and 20-30 weight parts of water absorbent particles dispersed in the matrix. The water absorbent particles include polysaccharide, biodegradable polymers, natural calcium carbonate, and activated charcoal. A method for making the biodegradable desiccant grains is also disclosed.

Abstract: A biodegradable waterproof paper coated with PLA film and the manufacturing method for the same are disclosed. The biodegradable waterproof paper includes a PLA film on at least one surface of the paper and the PLA film partially infiltrates into the fibers of the paper.

Abstract: A memory card fixing device including a base and two resilient fastening structures is disclosed. The resilient fastening structures are provided at the two opposite sides of the base. Each fastening structure has a guiding portion and a recess. A memory card slides into the recess along the guiding portion and can be fixed in the recess by the resilience of the fastening structures.

Abstract: A memory card fixing device including a base and two resilient fastening structures is disclosed. The resilient fastening structures are provided at the two opposite sides of the base. Each fastening structure has a guiding portion and a recess. A memory card slides into the recess along the guiding portion and can be fixed in the recess by the resilience of the fastening structures.

Abstract: A head-mounted MP3 player usable during sports has a head-mounted sports device, an MP3 module, a fixing device, and at least an earphone. The MP3 module is fixed by the fixing device on the head-mounted sports device such as a hat, a sun-hat, a hard helmet, a soft helmet, a head band, a hair ring, a headscarf, a swimming hat, or a diving helmet. The earphone is electrically connected to the MP3 module via a signal cable. The MP3 player can thus be fixed on a user's head. When the user exercises, the MP3 module can be worn on his head with the head-mounted sports device. Moreover, the MP3 module won't fall to cause its damage during sports.