Eazy PCB Manufacturing, 805, Block A, Guangming Centre, No. 2, Chuangming Road, Yongning Street, Zengcheng District, Guangzhou (2026)

18/08/2026

The drawing says the PCB hole is 1.00 mm. What does that number actually control?

It could mean the drill tool before plating, the finished hole after plating, a non-plated mounting hole, or a fit-critical opening for a press-fit contact. Those are not interchangeable instructions.

Before releasing a board for PCB manufacturing, check that the package answers these questions:

✓ Is each critical feature PTH, NPTH, a via, or a routed slot?
✓ Is the required dimension a finished size with a defined tolerance?
✓ Do the pad, annular ring, antipad, and copper clearance support the feature?
✓ Are plated and non-plated slots clearly separated?
✓ Do the drill files, route data, drawing, and revision agree?
✓ Does every press-fit hole reference the exact connector and supplier specification?

Slots deserve particular attention. A line on a mechanical layer may show design intent, but it may not define the finished width, endpoint geometry, routing path, or plating requirement well enough for production.

Clear hole definitions reduce CAM questions, protect mechanical fit, and give inspection a measurable target. That matters from the first prototype through repeat PCBA production.

Read the complete guide:
https://eazypcb.com/pcb-hole-and-slot-design-for-manufacturing-pth-npth-finished-size-and-press-fit/

05/08/2026

The first PCB powers up successfully. Is it ready for volume manufacturing?

Not necessarily.

A working sample confirms part of the design intent, but it does not automatically confirm finished hole size, board thickness, internal plating, surface finish, impedance evidence, or even the production revision.

Before approving a PCB first article, review:

✓ File and revision identity
✓ Board outline, thickness, holes, and critical dimensions
✓ Stack-up, copper, plating, solder mask, and surface finish
✓ Electrical test and controlled-impedance evidence
✓ Connector, enclosure, and assembly fit
✓ Every deviation, its disposition, and the authorized approval

The phrase “sample approved” is too vague on its own. If an exception is not documented, it may quietly become the reference for the next order.

A useful first article inspection creates a repeatable manufacturing baseline: the correct revision, measurable requirements, supporting records, and a clear release decision.

Read the complete checklist:
https://eazypcb.com/pcb-first-article-inspection-what-to-approve-before-volume-manufacturing/

04/08/2026

Your PCB files may be good enough for a quotation, but are they ready for production?

The gap often appears during CAM review:

✓ Ge**er data and the drawing show different board outlines
✓ The order says 1.6 mm, but the stack-up describes another construction
✓ A slot appears on the mechanical layer but not in the routing data
✓ One copper layer was updated without regenerating drills, solder mask, or netlist
✓ A critical change exists only in an email thread

Before PCB manufacturing begins, there should be one approved release package. Fabrication data, drawings, stack-up, drill files, test requirements, and assembly documents must all describe the same board revision.

A controlled release package does more than reduce clarification. It also creates a reliable reference for inspection, repeat orders, and future engineering changes.

Read the practical guide:
https://eazypcb.com/pcb-manufacturing-release-package-what-to-freeze-before-production/

**er

03/08/2026

Why do PCB defects appear before component assembly even begins?

Open circuits, shorts, plated-through-hole voids, delamination, solder mask misregistration, and dimensional errors may look unrelated. In many cases, however, the root cause starts earlier in the design data, material selection, drilling, lamination, plating, or process control.

Before PCB manufacturing, it is worth reviewing:

✓ Trace width and spacing
✓ Annular rings and drill tolerances
✓ Stack-up and lamination requirements
✓ Through-hole plating expectations
✓ Solder mask and board-outline alignment
✓ Electrical, visual, and dimensional inspection plans

EazyPCB combines DFM review, PCB fabrication, testing, and quality control to help identify risks before they become repeated production defects.

Read the complete guide:
https://eazypcb.com/common-pcb-manufacturing-defects-causes-prevention-and-inspection/

31/07/2026

Why does multilayer PCB reliability begin with the stack-up?

A multilayer PCB is more than several copper layers pressed together. Copper weight, core and prepreg materials, dielectric spacing, via structure, impedance requirements, and finished thickness must work as one manufacturing construction.

Before production, confirm:

✓ The function and order of every layer
✓ Core and prepreg material requirements
✓ Copper requirements for each layer
✓ Finished board thickness and tolerance
✓ Through-hole, blind, buried, or microvia structures
✓ Controlled-impedance targets and test coupons
✓ Electrical test and inspection requirements

Incomplete stack-up data can create layer-registration problems, reduced annular rings, impedance variation, or unreliable plated-hole connections.

Read the complete guide:
https://eazypcb.com/multilayer-pcb-manufacturing-stack-up-lamination-registration-and-quality-control/

30/07/2026

Why doesn’t thicker copper automatically make a power PCB reliable?

In power electronics, current flows through an entire chain: copper traces, planes, vias, pads, solder joints, connectors, and cable terminals. A narrow section anywhere in this path can become the real source of voltage drop and heat.

A reliable power electronics PCBA should consider:

✓ Continuous and peak current
✓ Copper thickness and conductor geometry
✓ Via arrays and layer transitions
✓ Thermal paths to the heat sink or enclosure
✓ Soldering of large power components
✓ Functional and thermal testing under load

Copper can spread heat, but it cannot remove heat unless the design provides a complete path to the cooling structure.

EazyPCB supports PCB fabrication, SMT assembly, prototyping, and PCBA production for power and industrial electronics.

Read the complete guide:
https://eazypcb.com/power-electronics-pcb-manufacturing-copper-thermal-design-and-assembly-reliability/

29/07/2026

What makes PCB manufacturing for IoT devices different?

Smart cameras, pet feeders, wireless sensors, controllers, and home automation products often combine communication modules, power circuits, connectors, sensors, and compact PCBA layouts inside a limited enclosure.

Before production, the design team should review:

✓ Antenna clearance and wireless module layout
✓ Camera, connector, and mounting-hole positions
✓ Programming interfaces and accessible test points
✓ Power stability and energy consumption
✓ BOM availability and approved component alternatives
✓ The transition from prototype to small-batch production

A circuit may work on the engineer’s desk but still face wireless, assembly, or reliability problems when placed inside the final enclosure.

EazyPCB supports PCB fabrication, SMT assembly, prototyping, and low-volume PCBA production for connected electronics.

Read the complete guide:
https://eazypcb.com/iot-device-pcb-manufacturing-key-design-and-pcba-considerations-for-connected-products/

28/07/2026

Moving from a prototype PCB to a small batch is a critical step.
A prototype proves that the circuit can work.
Low-volume PCB manufacturing proves whether the board can be built repeatedly, assembled reliably, inspected clearly, and delivered on schedule.
Before starting small batch production, it is important to review:
✅ board dimensions
✅ material and copper thickness
✅ surface finish
✅ BOM and component availability
✅ panelization for SMT assembly
✅ AOI, electrical test and functional test
✅ realistic lead time
At EazyPCB, we support customers from Ge**er and DFM review to PCB fabrication, SMT assembly, inspection and low-volume production.
Read more:
https://eazypcb.com/low-volume-pcb-manufacturing-how-to-move-from-prototype-to-small-batch-production/

27/07/2026

Industrial electronics need PCBs that stay reliable after real-world stress.
Heat, vibration, humidity, dust, high current, and long operating time can all affect PCB performance. That is why industrial PCB manufacturing should be planned with reliability in mind from the beginning.
Key points to review:
✅ material selection
✅ copper thickness
✅ plated through holes
✅ surface finish and solderability
✅ conformal coating when needed
✅ electrical testing and final inspection
✅ consistency from prototype to volume production
At EazyPCB, we help customers review requirements, select suitable manufacturing processes, and control PCB quality for industrial electronics projects.
Read more:
https://eazypcb.com/pcb-manufacturing-for-industrial-electronics-how-to-build-reliable-boards-for-harsh-environments/

24/07/2026

Many PCB manufacturing problems start before production even begins.
Customers often face issues such as incomplete Ge**er files, unclear stack-up requirements, unstable quality between batches, wrong material choices, or delayed communication during production.
At EazyPCB, we help customers reduce these risks by reviewing production files before manufacturing, confirming key specifications, controlling PCB fabrication quality, and keeping the process clear from prototype to volume production.
A smoother PCB project starts with better preparation.
Learn more:
https://eazypcb.com/pcb-fabrication/

LinkedIn | English
In PCB manufacturing, many delays are caused by small details that were not confirmed early enough.
Common customer pain points include incomplete Ge**er data, unclear tolerance requirements, inconsistent batch quality, material selection uncertainty, and slow communication during production.
EazyPCB helps by checking files before production, clarifying manufacturing parameters, supporting material and surface finish decisions, and managing the process from prototype PCB to volume production.
For engineering and purchasing teams, the goal is simple: fewer surprises, clearer communication, and more stable PCB quality.
https://eazypcb.com/pcb-fabrication/

Eazy PCB Manufacturing

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