www.logwell.com

General Information
  Temperature Logging
  Bob Baer's Temperature Chart (pdf file)
  Extreme-Temperature Electronics (External Link)

High Temperature Materials
  Teflon Wire Trivia
  Teflon Tubing Trivia
  A Word About Solder
  A Word About Tape
  A Word About RTV Silicones
  A Word About O-Rings
  Downhole Plastics, Composites, and Ceramics
  A Word About Downhole Printed Circuit Board (PCB) Design

High Temperature Electronic Components
  High Voltage Regulators (Replace the Victoreen Corotron)
  Temperature Sensors
  AnaLog's Mil Spec Resistor Data
  Ceramic Capacitors
  AnaLog's Handy Zener Diode List
  Logging Op Amps (Or How I Learned to Love the CA3140)
  AnaLog's Photomultiplier Tube (PMT) List

Schematics and Printed Circuit Boards
  Schematics

  Printed Circuit Boards (PCBs)     PCB Details and Photographs