Abstract: A method and system for detecting a roaming location of a mobile network is provided to detect the roaming location in a systematic and efficient way. The method first collects roaming call detail records (CDRs) of a subscriber of the mobile network which are generated when the subscriber roams to a roaming network and makes or receives corresponding roaming calls, and then finds at least one roaming CDR whose corresponding roaming call is occurred in a cell of the roaming network covering a registered address of the subscriber. Last, the method determines whether the registered address is the roaming location according to the found roaming CDR(s).

Abstract: The present invention provides a method of repairing a molding die for molding glass, the molding die for molding glass comprising a base member, a first buffer layer on the base member, which is made of titanium or any material which is easily attacked by a first attack solution, wherein the first attack solution includes hydrofluoric acid, a protective film on the first buffer layer; the method comprising the steps of using the first attack solution to remove the first buffer layer that causes no damage on the base member, and then operating a sputtering process to build a new first buffer layer and a new protective layer on the base member.

Abstract: A method and system for detecting an insufficient coverage location in a mobile network is provided to detect the insufficient coverage location in a systematic and efficient way. The method generates a corresponding cell list for a registered address of a subscriber of the mobile network, where the cell list comprises at least one cell that potentially covers the registered address. Next, the call detail record (CDR) entries associated with the cell list are extracted. Then, it is determined whether the registered address is an insufficient coverage location of the mobile network according to the error codes included in the extracted CDR entries.

Abstract: The present invention provides a molding die for molding glass, which includes a base member, on which a first buffer layer and a protective film are provided in order. The first buffer layer is made of titanium or any material which is easily attacked by a first attack solution. The first attack solution includes hydrofluoric acid. The protective film is made of platinum-iridium alloy, iridium-rhenium alloy, tantalum-ruthenium alloy, molybdenum-ruthenium alloy, molybdenum-rhenium alloy, or molybdenum-hafnium alloy. The method of repairing the molding die includes using the first attack solution to remove the first buffer layer that causes no damage on the base member, and then operating a sputtering process to build a new first buffer layer and a new protective layer on the base member.

Abstract: The present invention provides a lens barrel array, a lens array and a method of making the same. The lens barrel array is realized all together in collective operation, and intended to be separated later on to be used as lens barrels of individual module. The lens array including plates, each of which has a hollow portion, attached together and lenses mounted in the hollow portions respectively. The lens array is intended to be separated later on to be used as lens barrels of individual module. The method includes the steps of providing a plurality of plates with hollow portions thereon, installing lenses into the hollow portions respectively, and attaching the plates together to form lens barrel array with a plurality of lens, each of which includes the hollow portion and the lenses, intended to be separated later on to be used as lens barrels of individual module.

Abstract: A lens array block comprises a plurality of lens barrels joined to one another form a three-dimensional unitary structure. Each lens barrel comprises a stepped cylindrical chamber having a through hole with an internal profile having first and second steps that are spaced apart through the height of the through hole, the second step being radially inward of the first step. An image capturing unit comprising the lens block array, and methods of fabrication and assembly are also described.