Testing Todd: Training the Force or the Few

As with any business, the quality of goods and/or services is of the utmost importance. Company reputations are gauged by the success or failure of maintaining high-quality outputs. Maintaining high-quality and on-time delivery depends on multiple factors: first, equipment and tools to produce the product or service, and second, the power of the workforce behind the product.

Machines and tools support the manufacturing of products, but they are built with the assistance of other machines and, most importantly, people—the human component. Machines do what they are told, and those instructions come from humans. Manual tasks are performed by humans to the point they may be deemed too repetitive, and the task is then given to robots. However, these robots are given instructions by humans. Companies that maintain superior on-time delivery and quality rely on a key factor within their organization: competence and training of their core workforce.

In the ISO9001:2015 standard, companies are required to demonstrate a system of competence measurement within the organization. This shall be demonstrated with documented information. However, how a company embraces this requirement is totally up to them. Tasks are usually documented by work instructions, which define how any given task is to be performed. Ideally, a stranger can walk up to a task, read the work instruction, and perform the task under supervision. In time, the new operator becomes more proficient in that task and no longer requires supervision. The training matrix should define when that time is, when the operator should be reviewed again, and at which point proficiency should be re-scored. A strong training matrix will encompass these disciplines.

Operator Task-Specific Training vs. Cross-Training
There are different camps when it comes down to task-specific training vs. cross-training. It really comes down to the size of the operation and management philosophies. In a ginormous operation, it may be prudent to train specific employees for specific tasks. If the depth of the workforce supports this, it may be the optimal solution.

If the department has but one function and many employees, it makes sense. New employees may start as a trainee and progress to a general operator, and this may work perfectly. Some general operators may elevate to a lead or supervisor. However, they still remain within the same department and perform the same tasks. Other departments within the facility will have the same matrix. If an employee calls in sick or quits, the depth of the workforce can handle the disruption, and although they may be one person shy, the void is filled by a new trainee.

What about the small “mom and pop” type operations? The depth of the workforce is hardly the magnitude of the ginormous example. This can also be the same in a large parent company with small divisional offices. Each of these operations may have small workforces that are required to perform multiple tasks. Is the single task training matrix feasible in this case? Perhaps. However, with these smaller operations, the loss of an employee, even for a day, can be stressful and cause disruption to delivery and perhaps quality.

This is where cross-training becomes an advantage. Employees are trained on multiple tasks; some, they do every day, while others may be performed on an as-needed basis. Even though the employee count is smaller, the depth of knowledge in the small workforce is strong. This allows the smaller operations to roll with the occasional employee illness, vacation, or other unforeseen circumstances.

How a training matrix is developed is solely up to the organization. However, it should provide the instructions for any given tasks to be performed, a way to gauge competency, and a time frame to review the competencies. Levels of competency are recommended so that an employee may perform a task without having mastered the task. Examples would be work with supervision, work unsupervised, and work unsupervised and train others. These could be outlined by proficiency percentages or levels, such as Trainee, Operator I, Operator II, and so on. Perhaps equipment may need attention, or other technical aspects are necessary. This may require higher levels of expertise. The matrix can encompass this as well.

Strong training systems may incorporate synergies between the training system and actual equipment or tasks. An example would be an operator who is disallowed the operation of a machine when they sign on because the machine consults the training matrix to validate the employee competence. The system has a self-check mechanism to guarantee employee competence is achieved and maintained.

Simply put, you cannot perform tasks for which you are not trained. This satisfies the competence and training requirement and also keeps a thumb on the pulse of the system. This type of system also maintains traceability in case there is a problem found. The training system can be consulted along with machine records to find out who, what, when, where, and finally, why.

Happy holidays! Be safe.

This column originally appeared in the December 2020 issue of PCB007 Magazine.

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2020

Testing Todd: Training the Force or the Few

12-31-2020

As with any business, the quality of goods and/or services is of the utmost importance. Company reputations are gauged by the success or failure in maintaining high-quality outputs. Todd Kolmodin explains how maintaining high-quality and on-time delivery depends on multiple factors: first, equipment and tools to produce the product or service, and second, the power of the workforce behind the product.

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Testing Todd: Don’t Get Pickled by the Barrel

11-25-2020

Whether you have two layers or 50 layers, it all comes down to how the layers communicate. Otherwise, you just have a bunch of two-dimensional layers, and that isn’t practical. Todd Kolmodin describes how the practical magic, of course, is plated drilled holes.

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Testing Todd: Roadmap? First, Find the Road!

10-22-2020

Todd Kolmodin originally thought of discussing roadmaps and how they pertain to our industry and analyzing trends. However, it’s difficult to work with the roadmap when you cannot find the road. Todd shares his thoughts and experiences regarding the wildfires in Oregon and the West Coast of the U.S.

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Testing Todd: Don’t Be a Boss—Be a Leader

08-26-2020

Leader, boss, follower, collaborator, teammate. These are terms we have heard many times during our travels through this thing called life. Todd Kolmodin explores the difference between a boss and a leader and shares his observations on leadership.

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Testing Todd: Too Much Automation?

08-03-2020

The last six months have brought monumental changes to commerce, manufacturing, recreation, and almost every aspect of our daily lives. Todd Kolmodin shares his thoughts on how much automation is enough?

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Testing Todd: Down-shifting to the New Normal

05-17-2020

Today, we find ourselves in a place none of us even thought could happen due to the global COVID-19 outbreak. Todd Kolmodin encourages readers to be heroes and shift down to the new normal for a bit.

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Testing Todd: It’s Not Easy Being Green (or Is It?)

04-24-2020

“It’s not easy being green,” are well-spoken words from our amphibian friend, Kermit the Frog. Now, more than ever, there is a focus on being green. Todd Kolmodin explains how one of the largest—if not the largest—contributor to waste is paper, but the difficulty is letting go of it in the consumer and manufacturing segments. For the workplace, this can be more difficult, or is it?

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Testing Todd: Waste Not, Want Not

03-15-2020

Any time we overestimate our projects, we lose costs. For individuals, it may not be as monumental, but for manufacturing, it can be painful.

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Testing Todd: Looking at Digital With 11111100100 Vision

02-12-2020

Todd Kolmodin explores how far technology has come, from the challenge to "plug in" in the '80s, to how difficult it can be to "unplug" in this digital age.

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2019

Testing Todd: Go To Bed Hungry

12-19-2019

Another decade is coming to an end, so, forward thinkers, let's take this time to review the past, evaluate past decisions, and hopefully make prudent decisions to move forward in the ever-changing marketplace in which we exist. There has never been a Magic 8 Ball to predict what is going to happen, so we all do our best to calculate, look over the fences, and aim to remain in this competitive meat grinder we call “the market.”

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Testing Todd: Staying in Your Lane

12-15-2019

As 2019 comes to a close, Todd Kolmodin addresses the importance of standardization, which comes down to an agreement that we are to perform a task or set of tasks the same way every time. Putting your engineering hat on, this provides predictability with a high degree of accuracy.

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Testing Todd: Understanding the Fine Print

10-08-2019

New technologies are emerging each day with more stringent requirements than the past. Also, reversals in obsolescence programs bring products back to the market for which the original documentation and/or requirements are ancient compared to today’s standards; in some cases, this documentation is even lost. Further, it is not uncommon to find that original artwork isn’t available or that the part must be recreated from a finished circuit board sample.

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Testing Todd: What Do You Mean 'Passed' Isn't Enough?

08-05-2019

From a reliability standpoint, we need to quickly assess what risk we may have uncovered when faults are detected during electrical test (ET). "Passed" is not always passed. We must be diligent to scrutinize the failures found during routine ET as a high yield may not indicate high reliability.

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Testing Todd: The Evolution of Probers and Fixture Testers: Blinded by Science

06-26-2019

The evolution of the PCB has come a long way in the last 30 years. The science of electrical test has had to travel that road as well. It's not just a question of screening for opens and shorts. Today, the library extends to interrogating passive components, efficiently and cost-effectively evaluating dielectrics with multiple planes and pairs involved, and adhering to strict requirements from the military, export regulations, and OEMs alike.

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Confidence in Inspection

04-12-2019

The job of third-party inspection is to provide an unbiased review of the customer requirements versus the final product manufactured. This inspection can include both physical and functional criteria. Read on to understand the growing acceptance and requirement of third-party inspection in many areas of the manufacturing industry, including military, aerospace, and medical.

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2018

Testing Todd: What’s in your ET?

07-13-2018

With all the buzz around automation, paperless operation, and integrated processes, it’s time to think about how the connected systems work within an electrical test department. We are all familiar with computer-aided design (CAD) and computer-aided manufacturing (CAM), but with electrical test we can also add computer-aided test (CAT) and computer-aided repair (CAR).

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Testing Todd: How are the Ratings?

05-24-2018

Hello, readers! Thank you for stopping by again. Let’s talk about ratings. No, I’m not talking about the latest Facebook likes or Twitter retweets, but a topic that confuses many final QA technicians the world over. I’m talking PCB voltage ratings.

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Testing Todd: AVI—Your Tireless Friend in Final Inspection

05-01-2018

The “automation vs. human” debate continues. There are experts with many years of experience -performing final inspection with precise detail. This is not debated. However, in the course of human events, circumstances change with unpredictable results. This presents challenges to manufacturers striving to deliver product on-time and within specification guidelines.

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2017

Testing Todd: No Missed Steps—5S Methodology

08-22-2017

In today’s work environment, a company should strive to produce quality product, maximize margins and reduce cost as much as possible. At times, this can be very difficult. Work ethics and methodologies of “how to do things” have developed over many years and can be deeply rooted in many manufacturing theatres. We find at times the “way we have always done it” may not be the most practical way today. This is apparent with the advances in automation, labor force reduction and shifting market demands.

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Flying Probe Testing vs IPC-9252B

05-30-2017

Flying probe testing is extremely popular in today’s manufacturing theatres. The main factor is cost reduction in contrast to dedicated fixtures and fixture testing. However, there are some limitations in flying probe testing when gauged against industry specifications—specifically, the use of indirect vs direct testing in Test Level C.

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Testing Todd: Go With the Flow

04-18-2017

In today’s testing theatre, the flow of information from the OEMs and manufacturers to the independent contractors is mission-critical. Missing information can cause delays, incorrect processing and ultimately scrap or end user rejection of the product. The buzz term being used a lot today is “flow-down.” It pretty much describes itself: It is the flow of information down the supply chain.

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Testing Todd: Plating and Surface Finish—The Challenges to Electrical Test

01-23-2017

Plating and surface finish applications are not without their own set of challenges but these manufacturing processes also affect the electrical test theatre. Microvias, high-aspect ratio plate quality, and surface finish all have their own challenges in ET.

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2016

Testing Todd: Are You a Leader or a Manager?

10-21-2016

The question can be asked, are you a manager or a leader? Can you be both? Is there even a difference? The answer to this latter question is, yes. In a successful organization there are many people performing different tasks all in harmony to make the business successful. Some individuals can be phenomenal leaders while others can be excellent managers. Some can actually be both. How do we define a leader from a manager?

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Test & Measurement—The Case for Validation

07-15-2016

Test and measurement (T&M) are terms that can strike fear into the most robust of minds. Many engineers create designs and products of the future with specific results predicted for performance.

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Testing Todd: Quality Management and the Hidden 'I' in Team

05-24-2016

Today, businesses of all types are jumping on the quality bandwagon. The more critical the product, the more the consumer/customer wishes the highest possible quality in the goods or services requested.

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Quality Management and the Hidden 'I' in Team

05-06-2016

Today, businesses of all types are jumping on the quality bandwagon. The more critical the product, the more the consumer/customer wishes the highest possible quality in the goods or services requested. Customers send surveys with buzzwords like ISO, QMS, and AVL for their suppliers to complete so they have confidence that what they receive is of the highest quality.

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Testing Todd: Process Management: Doing It Right

04-27-2016

Simply put, process management is the idea of figuring out how to do something, documenting it and then monitoring the effectiveness of the steps you created for the end result. Simple, right? Unfortunately, many who take on this endeavor fall short due to missing some key attributes to creating and maintaining a robust process. This article features eight steps in building and maintaining a robust process.

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2015

Flex and Rigid-Flex Circuit Testing: Challenges & Solutions

06-24-2015

Although flex circuits are nothing new in today’s technology roadmap, the testing of unpopulated flexible circuits can be challenging. In this article, columnist Todd Kolmodin writes about the different methods available to test these circuits.

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Electrical Test: Surface Finish vs. Water Marks

05-20-2015

New finishes have come to market; some allow better conductivity, while others reduce the overall cost of precious materials. Regardless of the finish, electrical test must be performed on these circuits. With that comes the caveat of how much of a witness mark can be left on any given landing pad and still be acceptable to the CM or the final OEM user. Todd Kolmodin explains.

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Challenges of Electrical Test

01-28-2015

In our arena today, we can solve pitch and density with flying probe machines, and volume with our grid testers, but the catalyst that is in the mix is that pesky soldermask! Here's why I bring up that necessary process as a problem for electrical test.

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2014

What is 4-Wire Kelvin?

12-05-2014

"I've been asked many times, 'What is 4-Wire Kelvin?' So, this month I will explain the 4-Wire Kelvin Test and how it can help uncover defects that normally would go undetected in standard electrical test methodology," writes Columnist Todd Kolmodin.

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Where Do We Go From Here?

12-01-2014

In this installment of "Testing Todd," Gardien's resident expert Todd Kolmodin answers questions from Dan Beaulieu concerning the future of electrical test. His focus is on the future of testing technologies, testing equipment, and E-test.

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Testing Todd: Where Do We Go From Here?

12-01-2014

In this installment of "Testing Todd," Gardien's resident expert Todd Kolmodin answers questions from Dan Beaulieu concerning the future of electrical test. His focus is on the future of testing technologies, testing equipment, and E-test.

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Flying Probe - Indirect Testing vs. Military

08-19-2014

The use of flying probe testers has become increasingly popular in recent times, mainly due to the affordability of the equipment and also the reduced cost of testing, as no dedicated or "bed of nails" fixture is required. When using flying probes to test military product, one must be diligent to make sure the test method is allowable.

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Testing Todd: Flying Probe - Indirect Testing vs. Military

08-19-2014

The use of flying probe testers has become increasingly popular in recent times, mainly due to the affordability of the equipment and also the reduced cost of testing, as no dedicated or "bed of nails" fixture is required. When using flying probes to test military product, one must be diligent to make sure the test method is allowable.

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Everything You Wanted to Know, But Were Afraid to Ask

07-30-2014

This month, "Testing Todd" author Todd Kolmodin of Gardien Services USA presents readers' questions about the basics of electrical test, including the different types of testing available today.

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Testing Todd: Everything You Wanted to Know, But Were Afraid to Ask

07-30-2014

This month, "Testing Todd" author Todd Kolmodin of Gardien Services USA presents readers' questions about the basics of electrical test, including the different types of testing available today.

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Seven Tips for Choosing the Right Test Service

06-12-2014

Do you need to go outside your company for your testing service? Maybe you have capacity issues, maybe your equipment is down, or maybe you just want an established back-up plan? Whatever the reason, it is very important to choose the right outside testing service because, ultimately, you're not just choosing an objective service provider; you're choosing a partner.

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A Summary of Various Test Requirements

06-03-2014

The PCB industry has advanced significantly in the recent millennium. OEM specifications and requirements have also advanced due to the maturing of technologies, which has caused the requirements of electrical test of these higher technology products to advance and increase in intensity.

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Testing Todd: A Summary of Various Test Requirements

06-03-2014

The PCB industry has advanced significantly in the recent millennium. OEM specifications and requirements have also advanced due to the maturing of technologies, which has caused the requirements of electrical test of these higher technology products to advance and increase in intensity.

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