Package tour market, which is now dominated by a few large tour operators. The major operators are Thomson Holidays and First Choice part of TUI AG and Thomas Cook AG. Under these umbrella brands are different holiday operators catering to different markets, such as Club 18-30 or traveleze. Budget airlines have also created their own package holiday divisions such as Jet2 Holidays or Japan Airlines's J-Pack special. The trend for package holiday bookings saw a comeback in 2009, as customers sought greater financial security in the wake of a number of holiday and flight companies going bust, and as the hidden costs
Package on package a PoP stack become attached to each other (and to the PCB) during reflow soldering. The package on package technique tries to combine the benefits of traditional packaging with the benefits of die-stacking techniques, while avoiding their drawbacks. Traditional packaging places each die in its own package, a package designed for normal PCB assembly techniques that place each package directly on the PCB side-by-side. The 3D die-stacking system in package (SiP) techniques stacks multiple die in a single package, which has several advantages and also some disadvantages compared to traditional PCB assembly. In embedded PoP techniques, chips are embedded in