It takes at least 4 weeks to get qual lots assembled and tested. An additional 10 weeks is required for QA Reliability tests.

If a customer requires that a package type not qualified as lead-free be manufactured and supplied, a request must be submitted to the Maxim Integrated Products Business Units.

The conversion to lead-free components started in 2001. Newly developed products already have lead-free terminations (see RoHS and Lead-free Information for EPCOS Products).

Lead-free is defined as absence of a significant amount of lead (Chemical symbol Pb) in a package or part make-up. In an IC package, Pb is commonly found in the external lead finish or plating. In Chip Scale Packages (UCSP and FlipChip), Pb is found in the Solder Bumps.

Lead is a metal with no known biological benefit to humans. Too much lead can damage various systems of the body including the nervous and reproductive systems and the kidneys, and it can cause high blood pressure and anemia. Lead accumulates in the bones and lead poisoning may be diagnosed from a blue line around the gums. Lead is especially harmful to the developing brains of fetuses and young children and to pregnant women. Lead interferes with the metabolism of calcium and Vitamins D.

Many package types are already qualified as lead-free and others are in the qualification process. All Maxim Integrated Products part numbers can be identified as to their qualification status. If a part is qualified as lead-free, then the Maxim Integrated Products Business Units will make the decision to manufacture and offer the package as lead-free per customer request. Please refer to the Lead-free Information page for packages qualified as lead-free.

No, it only means that we have the capability to make the parts as lead-free. The customer must make a request to the Maxim Integrated Products Business Units for approval.

Try this with the paste. Find a smallish leaf with an interesting texture - a geranium leaf is good. Paint the paste on the back, let it dry. Continue to add layers and let them dry, until you have built up about 6-8 layers. Then fire. The leaf will burn away, and you will have a stunning leaf made of silver.

a. Lead is a highly poisonous metal, present naturally in the environment, which was used for many years in products found in and around our homes.

a. On the job (ex. Home renovators, police who use weapons, battery manufacturers). If you work with lead, you could bring it home on your hands or clothes. Shower and change clothes before coming home. Launder your work clothes separately from the rest of your family's clothes. f. In folk remedies that contain lead, such as "farouk" (Middle Eastern remedy for teething), "pay-loo-ah" (fever and rash treatment in Southeast Asia) and "azarcon.

Diodes, Inc.'s products defined as "Lead Free" will contain no purposefully added Lead either internally or externally. Only trace elements may remain. These products will have no external Lead, but will still contain internal Lead in the form of high temperature die / Lead bonding solder. Remaining Lead percentage by weight will vary by product package and type. Lead in this type of solder is RoHS Exempt as of this date.

This depends on demand. Major customers who continue to require SnPb Finish may be accommodated for a period determined by individual agreements.

Lead-free (Pb-free) surface finishes are most commonly composed of 100% matte tin, with the exception of a few package types that consist of other RoHS-compliant plating finishes such as nickel palladium. All UCSP and flip-chip packages contain lead. However, the lead contained in these packages is currently RoHS compliant. Studies to find a Pb-free solution for UCSP and flip-chip packages are ongoing.

Due to technology limitations, some package types are not currently qualified as lead-free. Examples: Ball Grid Array (BGAs) and Flip Chips. Maxim Integrated Products BGAs are eutectic and the majority of Maxim Integrated Products BGA packages are 63%Sn / 37%Pb. However, we do have some volume of 10mm Chip Scale Ball Grid Array (CSBGA) packages which are Sn/Ag/Cu and contain no lead.

All lead-free, RoHS-compliant products will have the (+) symbol marked on the top package in the area nearest Pin 1 lead, notch or dimple

Lead wicks are not available in the United States any more. Most people confuse zinc cored wicks with lead these days. L'ocean uses only 100% cotton wicks in our candles, providing for the best possible burn.

U.S. electronics manufacturers who supply products for European countries will need to be lead-free by July 1, 2006. It is doubtful that U.S. companies supplying the global marketplace will maintain one tin-lead production line for the U.S. market and one lead-free for the European market. Competitive pressure to produce “green” products additionally may fuel the conversion to lead-free.

The following machines , equipments and tools have been introduced to carry out the lead-free production, The lead-free project has been underway since 2003, We've assigned engineers and technicians to attend various trainings, lectures and seminars on lead-free technology.

Most components were made using tin/lead termination coatings and this also is being changed. Most component manufacturers are switching to tin but wetting characteristics will not be identical to tin/lead and there is a small risk of tin whiskers from electroplated tin coatings.

By July of 2006, new legislation regarding the Reduction of Hazardous Substances (RoHS) and Waste Electrical and Electronic Equipment (WEE) will be in effect in EU member states. North American equipment manufacturers will need to demonstrate that they abide by WEEE, RoHS and similar directives in order to remain viable in the global market. Lead free manufacturing requires changes in materials, processes and equipment, and that takes time to transition.