Constantino, Do you consider these areas to be areas to be solder to or not to be soldered to? You may also want to consider paragraph 3.5.4.7 of IPC-6012B regarding class and percentage allowable to have exposed copper. Regards, Scott A. Bowles Director of Quality and Technology Sovereign Circuits Inc. 12080 DeBartolo Drive North Jackson, OH 44451 Phone: (330) 538-3900 x211 Fax: (330) 538-2434 Cell: (330) 717-2125 email: [log in to unmask] -----Original Message----- From: IPC-600-6012 [mailto:[log in to unmask]]On Behalf Of Constantino J. Gonzalez Sent: Thursday, October 13, 2005 10:46 AM To: [log in to unmask] Subject: [IPC-600-6012] Exposed Copper Hello everybody, here are some photos, could you tell me if they comply with IPC-A-600G? Also includes traces to SMT pads. I believe section 2.9.1 of the 600G covers the criteria......or not? Regards Constantino J. González President / Consultant Engineer IPC-A-610 Committee Chairman ACME, Inc. AMERICAN-HISPANIC COMPANY 513 CLEVELAND STREET RAPID CITY, SOUTH DAKOTA 57701 USA E-mail: [log in to unmask] Phone: 605-381-5963 Fax: 605-341-4261