Hot-bar soldering attaches flex circuits to printed circuit boards.
Flex circuits are used in a wide variety of products, including automotive assemblies, digital cameras, cell phones, calculators, flat-screen displays, printers and disk drives. According to the market research firm BCC Research (Wellesley, MA), the worldwide market for flex circuits will increase from $5.9 billion in 2005 to $11.2 billion in 2010, for an average annual growth rate of 13.5 percent.