Jack, please. >Info to all: IPC and JEDEC, joint developers of ANSI/J-STD-020 are in the >final >balloting stage of J-STD-020A. Contact me OFF NET if you would like to >receive an >e-mailed copy of this interim final document in Adobe Acrobat .pdf format. > >IPC/SMTA Electronics Assembly Expo >Technical Committee Meetings, Conference, Exhibits >Providence RI October 24-29 >More info at http://www.ipc.org > >Jack Crawford, IPC Project Manager - Assembly >2215 Sanders Road, Northbrook IL 60062-6135 >[log in to unmask] 847-509-9700 x 393 fax 847-509-9798 > >>>> ETS <[log in to unmask]> 08/14/98 12:00PM >>> >Technet, > >After recieving a copy of the Jedec Standard, J-STD-020, I have a question >that hopefully one of you might answer. The Convection Reflow profile >requirement is listed as: > >Ramp up rate: +6 degrees C/sec. max >Temperature maintained at 125 degrees C (+/-25): 120 seconds maximum >Temperature maintained above 183 degrees C: 120 - 180 seconds >Time at maximum temperature: 10 - 40 degrees C >Maximum temperature: 220 degrees C (+5/-0) >Ramp down rate -6 degrees C/sec max > >My question is when figuring the time maintained at 125 degrees should one >only be counting the time actually maintained at 125 degrees or should I >include time between 100 and 150 degrees C? Jerry Cupples - [log in to unmask] Interphase Corporation 13800 Senlac Dr. Dallas TX 75234 (214) 654-5150 (214) 654-5500 FAX ################################################################ TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c ################################################################ To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TechNet <your full name> To unsubscribe: SIGNOFF TechNet ################################################################ Please visit IPC's web site (http://www.ipc.org) "On-Line Services" section for additional information. For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312 ################################################################ ################################################################ TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c ################################################################ To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TechNet <your full name> To unsubscribe: SIGNOFF TechNet ################################################################ Please visit IPC's web site (http://www.ipc.org) "On-Line Services" section for additional information. For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312 ################################################################