X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com X-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=RzSJQNjIYdkJcfUwPLCwPvHmOKgraOTZjZOFANyL1FY=; b=LA3iNeKbgkutyLMwycY/jwAOXGl1RBaSQfGJgOLMtMGoD8T8eE/TAb2g4ZBqlpws0T Kotj/JZTeh+qZ9f3sGKlUXHs31CKtIbW5yJCkQ3q+B0d1DzPbHzgvciOFQsXS7ClPizy 0bLZt1e/9p/8pdzVqpF652wHBwpskURJN/+KhyS2BG+h8HQQ3TqBYAigly8xK5FowhvH gDHNqg77D5M2Eaqjuvn8frmGlwQQrqlo+n6QNoYA/ScKLzgOZaK162pjmYkENr06fW8u D/AzB4SayVW2uQjwuGzwD4OH1UAtLwwVwY5IrlrLbE17xxCdf0uRY/3mUy89VCNbNBAC 6oEw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=RzSJQNjIYdkJcfUwPLCwPvHmOKgraOTZjZOFANyL1FY=; b=H2lW38SqIMszA/o2OJHsDD5QFNRjtdw4k7gyJJMzzEvLhXThZN0ds1p5i9f4/BbxJP 4iltpDi4P5+lVswkZdzy57ig88dThChILn9ERrbTUbPtS58oVQlJfh2TmG4YLwa+tNWH v0TJ0vWd8UJoxSN9pzg0cLfMFAxckiU+Nt3GtC4kPmxrWws+BdDF0Xf6nDbjDZmdflsg pQOkt6uiKL5Ry63UamrmTLOmvvvPIWxJDQVA6mtcdr0qk/UsHt6z9kKAns9LoYIEqTEE fREolP8qqqxSqUKLFMPkgwK/KfTRRr1tHHA/LtcGSKGDe5F0PjXv3omPLIqeEUfzyqTI Bt8w== X-Gm-Message-State: APjAAAV1AXG+nGAiF63JsFiPja6nGUCawmVjzEqQwIs8dzrtVNDYXeXo WU3bPDUzTf0NlGMk8Uc7yBh5fxv5wqV1Gl+GuqTgbw== X-Google-Smtp-Source: APXvYqzDzzH8WjQGfI6n0dDnaCGRCYiL0ltjEngFYo9w+s2SHPvMGXULB+ilwTEZ600mx+T2lDI1PNiLRI/UjTdtfHw= X-Received: by 2002:a6b:4407:: with SMTP id r7mr49212136ioa.160.1577988178861; Thu, 02 Jan 2020 10:02:58 -0800 (PST) MIME-Version: 1.0 From: "Rob Butts (r DOT butts DOT geda AT gmail DOT com) [via geda-user AT delorie DOT com]" Date: Thu, 2 Jan 2020 13:02:45 -0500 Message-ID: Subject: [geda-user] Home soldering LGA-12 suggestions To: geda-user AT delorie DOT com Content-Type: multipart/alternative; boundary="000000000000dc618c059b2c00da" Reply-To: geda-user AT delorie DOT com --000000000000dc618c059b2c00da Content-Type: text/plain; charset="UTF-8" I'm using a 2-axis gyro chip in a design and the largest package pith I can find is 0.5mm pitch. I have a solder paste dispenser along with a hot air setup. The problem I'm having is that the solder dispenser puts out too much paste on the shortest time pulse setting. My footprint has extended pads in the hope of solder prepping the pads, place the chip then going around the outer pads to reflow the solder (with the smallest soldering iron tip) but it is so small and the chip is just not sticking. Any suggestions? --000000000000dc618c059b2c00da Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I'm using a 2-axis gyro chip in a design and the large= st package pith I can find is 0.5mm pitch.

I have a sold= er=C2=A0paste dispenser along with a hot air setup.=C2=A0 The problem I'= ;m having is that the solder dispenser puts out too much paste on the short= est time pulse setting.=C2=A0 My footprint has extended pads in the hope of= solder prepping the pads, place the chip then going around the outer=C2=A0= pads to reflow the solder (with the smallest soldering iron tip) but it is = so small and the chip is just not sticking.

Any su= ggestions?
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