Introduction reflow process overview selection of solder paste. Reflow provides 40 act funds with tools to improve performance by managing the frictional impacts of shareholder flow. On page 3, figure 1 show a typical solder reflow profile for a pbfree snag solder and figure 2 shows a typical solder reflow profile for snpb eutectic solder. So, you must analyze your target board first before creating a unique reflow profile.
Solder profile for lead free reflow process figure 1 classification reflow profile for smt components refer to ipcjedec jstd020e table 1 classification reflow profiles profile feature pbfree assembly average rampup rate t smax to t p 3c second max. Standard solder paste reflow profile for kester paste containing alloys. Match solder paste specifications and oven configurations to provide. Saliza azlina4 1faculty of mechanical engineering, universiti malaysia pahang, 26600 pekan. Expert panel responses a ramp profile also referred to as ramptospike profile, is a reflow profile that increases to the reflow temperature in a near linear fashion. Light double sided, heavy double sided, light layer, heavy multilayer. Software demo downloads profiling before downloading your free temperature profiling and analysis demo software, you will be prompted to complete a brief form. Reflow zone this stage of the profile heats the pcb above the melting point of the solder alloy allowing the solder to reflow over the joint area cleaned by the paste flux in the previous 2 zones.
Match solder paste specifications and oven configurations to provide robust process profiles. The dwell temperature of the solder alloy needs to be reached at all solder joints present on the board. Preheat temperature min t smin temperature max t smax time t smin to t smax 150. I have been told choosing an established low, medium or high mass oven setting is sufficient. For specified surface mount packages, the entire device is immersed in the wave solder. For instance, it is widely accepted that 6070% of all solder defects can be traced back to the printer. Datapaq reflow tracker thermal profiling system fluke process. Per package qualification maximum number of reflow can be done on microsemi soc products group packages is 3. Sumitron is the leading reflow profiler distributor, supplier and exporter in india. So, i made a spreadsheetyou can download it for yourself. It supports the following applications that are related to convective reflow soldering of electronic assemblies. The reflow process consists of applying a pbfree solder paste to a circuit board, placing. Reflow is a full featured music notation editor, designed exclusively for ios and mac. Upon receipt of your completed form, you will receive a demonstration license number and download link, which will allow you to install the software.
Standard solder paste reflow profile for kester paste. The ecreflowmate reflow oven gives an even temperature across the board under total. Mod07 lec37 tinlead and leadfree solders,phase diagrams,thermal profiles for reflow soldering duration. Reflow soldering is the most widely used method of attaching surface mount components to printed circuit boards pcbs.
Just choose the low, medium or high profile based on the size of the board. For maximum convection or convectionir reflow conditions see jedec jstd020. Measuring the temperature profile during the reflow solder process abstract with reference to the application note further details on leadfree reflow soldering of leds the present application note provides details and recommendations for the measuring of the temperature profile during the leadfree reflow solder process. In general, a faster cool down rate will result in a finer grain structure and a stronger and shinier solder joint. Thermal profile is showing red alarm optimization required. Nondestructive thermal profiling of electronic components with the use of an offset calculator. Therefore the max temperature in the curve should be set at solder temperature of the alloy. Profile viewer and explorer showhide screenshot profile explorer automatically stores downloaded profiles against the users product name, creating a chronological record of profiles for each product, allowing users to organise their profiles and providing process traceability. Best places to check out first, would be the xbox360 and ps3 forums. The solder paste reflows in a molten state, creating permanent solder joints.
It supports the following applications that are related to convective reflow soldering of. Of course this is for a reflow station based on a lead free bga ic. Saliza azlina4 1faculty of mechanical engineering, universiti malaysia pahang, 26600 pekan, pahang, malaysia 2faculty of mechanical engineering, universiti teknologi malaysia, 80 skudai, johor, malaysia, 3faculty of engineering. A virtual reflow profile is based upon soldering theory, the recommended solder profile from the solder paste manufacturer, size, thickness, cooper weight, layers of the board and size, and the density of the components. Kic is a technology company working to make reflow ovens smarter through thermal profiling, automation and optimization.
Paste manufacturer reflow profile recommendations reflow specifications of two leading paste suppliers mfg2 0. Before starting to cook the target board, the reflow oven zone temperature needs to be set up. The following reflow profiles are provided as reference when working with a manufacturing house to generate a final reflow profile specific to the hardware using the specified package type. For through hole packages, only the leads of the device are immersed in the wave solder. We advise to monitor the temperature curves and to check these against the profile even if no problematic solder joints have surfaced. Our solutions offer continuous, everyday access to liquidity that funds can draw upon to meet redemptions and manage cash positions. Profile your product in the reflow oven, enabling eos software to calculate thermal characteristics of the product. Reflow soldering process considerations for surface mount. This is a reflow oven that can be bought fairly cheaply, but because the manufacturer cuts corners in several places, you have to do several modifications to make it usable. Thermocouple tc location to verify the correct reflow profile, 23 thermocouples should be placed beneath the connector.
Reflow soldering profile setup and optimisation software solderstar. For more details and specifications, download the reflow tracker system brochure. Reflow oven zone temperature set up and thermal profile. Calculators for design engineers, ctos, commodity buyers, commodity managers and other power supply industry professionals. Need for reflow profiles how important is it to run a profile on every different assembly. Kic is a technology company working to make reflow ovens smarter through thermal profiling, automation and optimization solutions. Profile planner software is designed to allow you to easily develop robust temperature profiles for electronic assemblies the best fit specific paste and oven combinations. After all, those are the birth places for the home reflows. Offline reflow profile optimization for a specific pba and reflow oven, based on a single reflow profile measurement. The boards need to be brought steadily up to the required temperature. Insight software for reflow tracker available in basic, standard and professional versions insight software is an easytouse analysis package designed by datapaq to meet the needs of the electronics assembly industry. Reflow soldering profile, per jstd020d, table 52, pbfree.
You can then see the profile that will be generated and how well it will conform to the paste manufacturers specification. Reflow soldering is a process in which a solder paste a sticky mixture of powdered solder and flux is used to temporarily attach one or thousands of tiny electrical components to their contact pads, after which the entire assembly is subjected to controlled heat. The solder pot calculator is a quick and easy tool that you can use to. The process of hot air reflow soldering is essentially a heat transfer process. The reflow profile calculator is now available in our calculators section. Datapaq reflow tracker thermal profiling system fluke.
Reading your profile via profile software profiling guru. Reflow soldering profile setup and optimisation software. Reflow soldering profile, per jstd020d, table 52, pb. Members and partners can download a member demo version of the calculator for free. Solder profiles to be able to solder using a chamber oven like the ecreflowmate it is important to understand that. Reflow score writer for ios free download and software.
Profile planner reflow profiling software from electronic controls design inc. An027 measuring of the temperature profile during the. The reflow oven temperature profile is suited for characteristics of a particular circuit board. A generic reflow profile is a great idea but the problem is hitting it with different board designs. Check this video for a gpu reflow, different computer, same idea. The profile planner is an microsoft excel workbook application that allows you to. How to create the perfect smt reflow oven profile jjs manufacturing. Profile planner reflow profiling software description. So what should your ems partner be doing to perfect their reflow oven profile. This is a great addition to your musical tools collection, at an affordable price. Profile checker takes downloaded profiles and automatically calculates the process parameters of interest, plotting them against solder paste process limits to. Offline reflow profile optimization for a specific pba and reflow.
However, with the advent of surface mount technology smt, reflow soldering has expanded in the number of types and has been studied, refined and explored as never before. This page describes an example of a reflow profile for a 16layer, 2mm thickness pcb with a high density smt connector, and discusses the factors that a process engineer must consider when designing this profile. I attached an image which also shows a common reflow profile. At this stage of the reflow process, the temperature rise from ambient to the first heating zone is of most interest since the greatest potential for component damage and solder. Step 2 enter the profile process limits using as much, or as little detail as required. Indium calculation tools for the engineer technical documents. With offices across the globe, kic is ready to become your partner in oven based manufacturing. Users are advised to optimize their own board level parameters to get proper reflow outcome.
It lets you create, practice and share your music seamlessly across your mobile devices and computer. There is a lot you can do with a quick visual of the board and parts. The maximum rising slope, or ramp rate, looks at the whole profile, specifically the steepest slope over the entire profile and does not just look at a specific region. Effect of reflow soldering profile on intermetallic compound formation 249 it was also found that the imc growth increased upon ageing and postreflow cooling rate. This page lists the things you need to do to optimize a reflow profile of a target board, including making a virtual reflow profile, checking solder joint quality, testing the boards thermal shock and mechanical reliability, and adjusting parameter set up. A proper thermal profile for reflow must be evaluated by the process engineer prior to production. The hybrid industry has used and refined the art of reflow soldering for many years. The guideline applications can include, but not limited to, temperature profile measurement in reliability test chambers and solder reflow operations that are associated with component assembly to printed wiring boards. When scanned with a smart phones camera via a qr reader application, the introduction of higher leadfree it will take you to a specific url or to achieve a robust solder joint, text message. Thermal profile setup and optimisation software tools. Most reflow ovens can run as an independent, selfcontained unit. Download article share with a friend a qr quick response code contains encoded data. Software demo downloads profiling fluke process instruments.
All reflow ovens that we are aware of, can be monitored with a computer. This information is provided for reference only and should not be used as the final reflow profile. Additionally it provides a quick connection to a range of accessories for capture of profile and spc information from reflow, waveselective and vapour phase soldering processes. Effect of reflow profile on intermetallic compound formation i. This document does not provide for any representation or warranty express or implied by nxp semiconductors. The reflow profile calculator supports the following applications that are related to convective reflow soldering of electronic assemblies. The profile planner is an microsoft excel workbook application that allows you to match solder paste specifications and oven specifications. What i did was to generate a small array of generic profiles.
Thermal profiler for reflow soldering smt temperature. Accurately record and log your reflow solder profile, reflow oven temperature profile, or wave solder machine thermal profile with thermal profilers from manncorp. Standard reflow profile fo r standard and leadfree packages the reflow here in provided is for reference only. Reflow soldering profile all information hereunder is per nxp semiconductors best knowledge. The board is at 240, it hits the first cooling zone, which may be at 100 degrees or less and if i look at the first few seconds or even longer than that, the slope may be steeper than the 3 or 4 degree. The ecreflowpilot software is downloadable from our website in the. Most toaster ovens are capable of getting to 450f, which is right at the top of the reflow profile for lead free solder, meaning its. The development of a qualification temperature profile for. Reflow soldering is a process in which a solder paste is used to temporarily attach one or.
To accurately measure actual peak package body temperatures. Best practices reflow profiling for leadfree smt assembly. The aim of the process is to form acceptable solder joints by first preheating the componentspcbsolder paste and then melting the solder without causing damage by overheating. Reflow soldering, like wave soldering, is not a new manufacturing process. In case nxp semiconductors has tested the product, this documentation reflects the outcome of the analysis of the actually tested parts only. Reflow oven profilers and wave soldering profilers accurately record and log your reflow solder profile, reflow oven temperature profile, or wave solder machine thermal profile with thermal profilers from manncorp. And it works seamlessly with the reflow desktop app too. Tolerance for peak profile temperature tp is defined as a supplier minimum and a user maximum. For profile optimisation, the autoseeker profile optimiser can be added to the systems to provide rapid profile setup. By examining the graphic output of the units software, operators can adjust oven parameters to best optimize production and ensure best product quality. Reflow oven zone temperature is a set point where the heat element will be heated to.
Rt04 reflow oven temperature profile recorder is an extremely useful tool for tuning the soldering process of smt boards. With that said, there are certainly instances where fine tuning the reflow profile will benefit. Comprised of specifically designed thermocouples, data loggers, protective thermal barriers and insight software, this system will help you. Solder profiles and oven parameters for the ecreflowmate. Reflow soldering guide for surface mount devices this technical note provides general guidelines for a solder reflow process for berex surface mount products.
The datapaq reflow tracker temperature profiling system travels through the process, enabling you to monitor wave and reflow soldering, as well as vapor phase, selective soldering and rework stations. Process limits are displayed in one easy to read table. Standard reflow profile for standard and leadfree packages. The easy oven setup recipe calculator can calculate the optimum oven. The thermal gradient in this zone should be approximately 1.
Sn63pb37 or sn62pb36ag02 0 20 40 60 80 100 120 140 160 180 200 220 240 0 30 60 90 120 150 180 210 240 270 300. Grab my spreadsheet for interpolating reflow profiles for soldering ovens. Correctly profiling the temperature of the reflow tunnel or chamber ensures that the resulting solder joints are of the highest quality. Is there a specification for the time period to calculate the slope for a reflow oven profile. The data used in this document is based on ipcjedec standards.