post-processing color change of rogers ro4000 ? series materials application note AN4010 1 rev. v1 advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.43537383 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. introduction m/a-com technology solutions packages a variety of devices using substrates and lids composed of ro4000 ? series high frequency circuit materials manufac tured by rogers corporation. these materials are glass reinforced hydrocarbon/ceramic laminates designed for performance sensitive applications. this substrate material has several qualities desirable for rf microwave circuits, such as: ?? stable electrical properties over a broad frequency range ?? low dielectric loss ?? thermal coefficient of expansion (cte) that allows for excellent dimensional stability ?? tg of > 280c for air cavity integrated circuit packages utilizing thes e substrates, the lids are also made of the same r04000 ? series material. the lids are sealed to the substrate using an epoxy. since the cte?s of both the lid and substrate are the same, the final co mpleted package is extremely robust. these packages are designed to withstand pb-free assembly reflow conditions which are typically at a maximum of 260c. one of the char acteristics of the r04000 ? series material is that it undergoes a slight color change when exposed to temperatures above approximately 125c. this color change is normal and ?cosmetic? only and has no impact on performance or reliability. full reliability and qualification testing was performed on these package materials. following are the results: temperatures > approximately 125c temperatures < approximately 125c
post-processing color change of rogers ro4000 ? series materials application note AN4010 2 rev. v1 advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.43537383 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. objective of analysis this report details the results of the supplier pack age qualification that was performed to validate the manufacturing processes and materials used in the as sembly of the 7mm x 7mm 16-lead cavity laminate rohs compliant package. the maap-010512 wa s used as the test vehicle. test conditions and results the compliance criterion is pre/post data compar isons of room temperature rf measurements. group test conditions quantity pass fail a pre-bake 125c, 24 hrs, unbiased 152 152 0 a preconditioning msl3, +60oc / 60% rh, 52 hrs followed by a 3x reflow (260c max) 152 152 0 b temp cycle -65 to +150oc, 500 cycles, 15 min dwells 76 76 0 c uhast +130oc / 85% rh, 96 hrs with no bias applied 76 76 0 g dpa external/internal inspection bond pull & die shear 6 6 0 conclusion based on the above data the 7mm x 7mm 16-lead cavity la minate rohs compliant package is considered to have passed m/a-com technology solutions? package qualif ication requirements and is released for production assembly. it was verified that the change in package color was cosmetic only and has no impact on device reliability or package integrity.
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