Horse or hog hair brushes with metal handle usually are good. Product that are built around function alone have not been designed at all, but merely engineered. -prof. Ashby Original Message From: David Quiroz Sent: Tuesday, January 14, 2014 4:17 PM To: [log in to unmask] Reply To: TechNet E-Mail Forum Subject: Re: [TN] Brushes for Use in PCB Lamination Area Thanks for the input, gentlemen. DQ -----Original Message----- From: TechNet [mailto:[log in to unmask]]On Behalf Of colin mcvean Sent: Monday, January 13, 2014 11:24 AM To: [log in to unmask] Subject: Re: [TN] Brushes for Use in PCB Lamination Area David, I agree with Roberts conclusion: best practice is vacuum either central based system or stand-alone with Hepa filter after each lay-up of book or surrounding area and use of tacky roller with adhesive pads or interleavers and core layers. Don't use this on the prepreg though, and be careful not to remove or damage any of the oxide or bond adhesion film on the core layers. Best to roller one side flat, then place face down onto the stack then roller the second side. It take a bit of organisation, but risk of FOD is greatly reduced. Consider also, stacking of materials in a rack system, with cleanest material at top, like the copper foil, then cores then prepregs at bottom - saves clean materials being contaminated with falling particles and dust. As for copper foils, buy this in shiny to shiny, which save additional handling and potential damage. Colin On Monday, 13 January 2014, 18:13, Robert F. Bagsby <[log in to unmask]> wrote: Hi David, Brushing tends to move dust, debris, particular matter around and not actually pick it up. Depending on the vigorousness of the action, can actually cause the stuff you're trying to brush away to go places you don't want it (into the setup perhaps). I recommend more of a clean room practice of vacuuming (central vac system) or a clean room hand tacky roller with sticky pad, or web cleaner. Organization of the lay-up station can help minimize transfer of material of one type to another (say prepreg dust onto copper foil, leading to resin spots) or (slivers from pre-tooled copper foil into prepreg, leading to shorts). Robert F Bagsby / Manager, Project & Technical Services / Projects, Technical Services & Lean MS 130-108, Cedar Rapids, IA, 52498, USA Phone: 319-295-8703 / VPN: 295-8703 / Mobile: 319-573-6859 [log in to unmask] www.rockwellcollins.com From: David Quiroz <[log in to unmask]> To: <[log in to unmask]> Date: 01/13/2014 10:26 AM Subject: [TN] Brushes for Use in PCB Lamination Area Sent by: TechNet <[log in to unmask]> Hello All, Can anyone recommend a good quality hand brush that can be used in a pcb lamination layup area? I'd like to use it for brushing off plates/panels/foil during layup of lamination books. Regards, David Quiroz ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________ ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________ ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________ ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________ --------------------------------------------------------------------- This transmission (including any attachments) may contain confidential information, privileged material (including material protected by the solicitor-client or other applicable privileges), or constitute non-public information. Any use of this information by anyone other than the intended recipient is prohibited. If you have received this transmission in error, please immediately reply to the sender and delete this information from your system. Use, dissemination, distribution, or reproduction of this transmission by unintended recipients is not authorized and may be unlawful. ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________