PURPOSE: To prevent an overhang-shaped pattern from breaking when a flexible strip-shaped circuit base is wound round a reel, by providing a slit-shaped hole in the vicinity of a mounted electronic component at a right angle to the longitudinal direction of the flexible strip-shaped circuit ...
Electronic circuit board components 专利名称：Electronic circuit board components 发明人：遠藤 甲午 申请号：JP実願平3-82055 申请日：19911009 公开号：JP実開平5-33528U 公开日：19930430 专利内容由知识产权出版社提供 专利附图：摘要： (57) [Abstract] The present invention is the flexibility of the ...
PCB Board Printed Circuit Board PCB Circuit Board Factory Packaging and delivery Packaging Details 1.Inner: PCB: Vacuum Packing PCBA: ESD Packing 2.Outer: Standard export carton; 3.Customized package. Port ShenZhen Selling Units: Single item Single package siz...
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Product name:multilayer circuit boards pcb pcba;Material:FR-4,CEM-3,High TG,FR4 Halogen Free,RIGID-FLEX;Type:Multilayer Pcb;Application:Electronics Device;Surface Finishing:HASL/HASL lead free,HAL,Chemical tin,Chemical Gold;Position accuracy:40um;Max Com
ELECTRONIC DEVICE HAVING A HOUSING WITH A CIRCUIT BOARD PROVIDED THEREIN The invention relates to an electronic device (1) having: a multi-part circuit board (3), the circuit board parts (4–9) of which are connected to each other by means of current-carrying, flexible regions; a support ...
Parts and Accessories: Includes a soldering temperature PCB and a universal test fixture Features: **Enhanced Precision and Efficiency** The Components IC Chip Module is a vital tool for electronic and electrical engineers, providing a robust solution for circuit board replacement and soldering ...
United States Patent US6384344 Note: If you have problems viewing the PDF, please make sure you have the latest version ofAdobe Acrobat. Back to full text
PROBLEM TO BE SOLVED: To provide a method capable of easily and inexpensively checking a soldering failure occurring in a soldered joint between a chip electronic part and a circuit board without producing detection errors that occur in a visual inspection method and without using an expensive visu...
摘要: PROBLEM TO BE SOLVED: To prevent a lead-free solder from being broken by preventing or delaying the propagation of cracks generated in the lead-free solder to be used in mounting an electronic parts on a circuit board.收藏 引用 批量引用 报错 分享 文库来源 求助全文 SOLDER, CIRCUIT ...