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    • 2. 发明申请
    • PRINTED CIRCUIT BOARD AND METHOD FOR FIXING WIRED PARTS THERETO
    • 电路板和方法用于固定引线元件在电路板上
    • WO2004077901A2
    • 2004-09-10
    • PCT/EP2004001983
    • 2004-02-27
    • ENDRESS & HAUSER GMBH & CO KGBIRGEL DIETMARHAUPTVOGEL KARL-PETER
    • BIRGEL DIETMARHAUPTVOGEL KARL-PETER
    • H05K1/11H05K3/34H05K1/18
    • H05K1/116H05K3/3447H05K3/3484H05K2201/09845H05K2203/1446
    • Wired parts often cause a problem during overhead transport of a fitted printed circuit board, being able to fall out of the through bores because said wired parts are not glued or fastened to the printed board by means of retaining clips or snap-in devices. The invention solves said problem by means of a printed circuit board and a method for fixing wired parts thereto. The inventive printed circuit board (10) comprises a recess (24, 24') in a peripheral area of each through bore (20). Bent loose ends (22) of the connecting pins or connecting wires (18) of the wired part (16) are placed in said recesses (24; 24''). The quality of the soldered joint is improved especially during overhead soldering in a reflow soldering furnace as the solder (32) flows into the recesses (24 or 24') and the through bores (20) during the overhead soldering process in the reflow furnace. The length of the connecting wires (18) effectively wetted by the solder (32) is greater than during conventional soldering, making the soldered joint more secure.
    • 有线组件提供在组装的印刷电路板的高架运输常见的是一个问题。如果它们不胶合或通过支架或闭锁板上的设备附接,它们可以通过孔掉出的。 本发明解决了由一个电路板的问题,并用于在电路板固定引脚元件的方法。 所述电路板(10)具有用于此目的的的周边区域的通孔(20)分别具有一个凹口(24,24')在所述电路板(10),其中,凹部(24; 24“)弯曲的端子销的自由端部(22) 或有线部件(16)的连接线(18)被放置。 特别是当在回流焊接开销焊接炉钎焊的质量得到了改善,因为焊料在凹部24和24在焊接工艺过程中的开销“和在通孔20流向32 在回流炉。 这有效地通过引线的焊料32长度18比传统的焊接时,铜焊本身润湿因此更安全。
    • 3. 发明申请
    • METHOD FOR SOLDERING SMD COMPONENTS, PRINTED CIRCUIT BOARD AND REFLOW SOLDERING FURNACE THEREFOR
    • 焊接SMD元件,PCB和REF低焊接管的方法
    • WO2007023030A3
    • 2007-06-07
    • PCT/EP2006064215
    • 2006-07-13
    • ENDRESS & HAUSER GMBH & CO KGBIRGEL DIETMARHAUPTVOGEL KARL-PETER
    • BIRGEL DIETMARHAUPTVOGEL KARL-PETER
    • H05K3/34
    • H05K3/3494B23K1/0016B23K1/008B23K2201/42H05K3/3415H05K2203/1563H05K2203/1572H05K2203/1581
    • The invention enables lead-free soldering, in a reflow soldering furnace, of thermally critical, surface-mounted components together with thermally uncritical SMD components, on one side of a printed circuit board. Thermally critical and uncritical components (20, 22) are inserted into the soldering paste on the printed circuit board (10). According to the invention, said printed circuit board (10) is transported with other printed circuit boards (10), with the equipped first side facing upwards, through the reflow soldering furnace (30), and soldered in a soldering chamber (42). Thermal energy acting on the printed circuit board (10) in the lower region (46) thereof is adjusted in the soldering chamber (42) in such a way that the temperature on the lower side of the printed circuit board (10) is higher than that on the equipped upper side of the printed circuit board (10). The soldering paste on the upper side of the printed circuit board (10) is reliably melted by said indirect heating, and the temperature of the thermally critical components on the upper side of the printed circuit board (10) is maintained below the critical temperature.
    • 本发明允许在回流焊接烘箱中无铅焊接热临界表面安装部件以及电路板一侧上的不热临界SMD部件。 在电路板(10)上,在焊膏中使用热临界和非关键部件(20,22)。 根据本发明,该电路基板(10)被运送与其他印刷电路板(10)与组装的第一侧向上通过回流焊接炉(30)和焊接在焊接室(42),为此目的,在钎焊室(42)具有其中一个底 区域(46)上的印刷电路板(10)作用的热能被调整,使得在印刷电路板(10)的下方侧是更高的温度比在组装电路板(10)的上侧。 通过这种间接加热,印刷电路板(10)上侧的焊膏可靠地熔化; 印刷电路板(10)上侧的热关键部件处的温度保持在临界温度以下。
    • 4. 发明申请
    • PRESSURE SENSOR
    • 压力传感器
    • WO2011117014A3
    • 2011-11-17
    • PCT/EP2011051740
    • 2011-02-07
    • ENDRESS & HAUSER GMBH & CO KGHAUPTVOGEL KARL-PETERSCHMIDT ELKEROSBERG ANDREASDREWES ULFERT
    • HAUPTVOGEL KARL-PETERSCHMIDT ELKEROSBERG ANDREASDREWES ULFERT
    • G01L9/00
    • G01L9/0075G01L19/0084
    • The invention relates to a pressure sensor (1) comprising a main body (2) and at least one measuring membrane (3), which is connected to the main body in a pressure-tight manner, forming a measuring chamber, by means of a first joint (4) comprising a first active hard solder, and a transducer (5, 6a, 6b) for converting a pressure-dependent deformation of the measuring membrane into an electric primary signal, and a primary signal path that extends from the transducer through at least one bore (8a, 8b) through the main body, wherein the primary signal path comprises at least one electrically conductive coating (7a, 7b) that extends along the wall of the bore (8a, 8b) without closing the bore. According to the invention the bore (8a, 8b) is closed by means of a second joint (10a, 10b) using a second active hard solder, wherein the second active hard solder closes the bore in a self-supporting manner and wherein the second active hard solder has a surface capable of being soft-soldered.
    • 的压力传感器(1)包括基体(2)和至少一个测量膜片(3),其通过第一接头的装置形成与所述基体的测量室(4)具有第一活性钎焊,是压力密封地连接,并且换能器(5 ,6A,6B),用于将所述测量膜片的压力相关的变形转换为电主信号包括通过至少一个孔图8a延伸的主信号路径(从换能器,图8b)延伸穿过基体,其中,所述主信号路径中的至少一个导电涂层(7a中 ,7b)的沿所述孔的壁(8A,8B)延伸,而不通过第二关节8b)的封闭的孔中,其特征在于,根据本发明的孔(8a中,(10A,10B)被关闭与第二活性钎焊, 其中所述第二活性钎焊封闭孔自支撑的,且其中所述第二活性钎焊包括weichlotfähige表面。