Blogue

Happy New Year everyone! Typically the new year signals a new beginning, but thispost will be concluding our series on reflow profilingby discussing the fourth stage of a reflow profile: the

Pessoal, há alguns anos atrás recebi o pedido abaixo: Olá Dr. Lasky, sou um reciclador de metais preciosos e gostaria muito que verificasse a validade de uma equação que aproxima o Karat

Folks, the adventures of The Professor continue……… So far the meeting with The Professor had proven very valuable John thought.He was anxious to hear the other suggestions that The

"Well what should we do Professor?" John said weakly. "Clearly, not shut the line down over the lunch break," The Professor responded quickly. "We can't!"said John,

Pessoal, durante as próximas semanas tenciono voltar a publicar alguns dos primeiros episódios de Patty e o Professor. Quando visitei várias instalações, algumas delas noutras indústrias, descobri que o tempo de funcionamento é tão vital como o tempo de vida.

Folks, I teach a course at Dartmouth on manufacturing processes: ENGM 185. In this course, I use many of the chapters from “The Adventures of Patty and the Professor.” This book started as a

Embora a Indium Corporation seja conhecida como um fornecedor de solda, é menos conhecida pela sua capacidade de reciclar solda.

Folks, It is accepted as fact by everyone that I know that 2/3rd of all SMT defects can be traced back to the stencil printing process. A number of us have tried to find a reference for this posit,

In my previous post on this topic, Stages of a Reflow Profile: Part II, I mentioned a few profile-induced soldering defects, including graping, tombstoning, and voiding. In this post,we will talk

This week we learned about an exciting new liquid metal-infused polymer, made with a gallium-indium alloy, which can be used to form circuits that heal themselves after being damaged. Today, Eric

Over the last few days we have learned about how to create stretchable electronics from gallium and indium embedded into an elastomer. Today we continue the conversation with Eric Markvicka and look

We are back again with Eric Markvicka to talk about how easy it is to form a stretchable electrical circuit with liquid metal-embedded material and some simple tools. Jim: Eric, at first blush your

Yesterday Eric Markvicka demonstrated self-healing electronics for us with his video of a liquid metal embedded elastomer. Today, we discuss a composite material that is electrically insulating until

Brook Sandy-Smith, Engenheiro de Suporte Técnico para Materiais de Montagem de PCB, e Phil Zarrow, discutem a forma como a soldadura por refluxo em vácuo pode ser utilizada para reduzir os vazios. Phil Zarrow: Brook, tem havido um

This week we will be discussing the future of self-healing electronics with Eric Markvicka of Carnegie Mellon University. At the time of writing this, Eric is a PhD Student working on his thesis:

No meu último post, Estágios de um perfil de refluxo: Parte I, discuti como o espalhamento de bolas de solda e a queda da pasta de solda podem ocorrer nos estágios iniciais de um perfil de refluxo. Neste post eu vou

Often times solder defects such as spattering, voiding, slumping/bridging, and tombstoning can be remedied just by adjusting the reflow profile. For this reason it is important to understand the

Your first consideration when determining how much flux to use in your solder wire is whether you are doing hand soldering or robotic soldering. Robotic soldering requires a greater flux percent than

Pessoal, soldar cobre a cobre com uma solda à base de estanho, como a solda eutética de estanho-chumbo ou uma solda comum sem chumbo como a SAC305, requer apenas a solda líquida e o cobre para formar a liga de estanho-cobre

Pessoal, tenham pena de Ötzi, o Homem de Gelo, cerca de 3500 AC. Acredita-se que esteve envolvido na fundição de cobre, uma vez que foram encontradas partículas de cobre e arsénico, um oligoelemento presente em alguns minérios de cobre, na sua

In a previous post I mentioned some non-solder uses for low melting point alloys – meaning that they are used for purposes other than simply “joining two surfaces with a filler