Wafer-Level Identification
Mark wafer IDs, reference locations, backside codes or wafer-level traceability before dicing or downstream processing.
Typical formatWafer / Cassette
Semiconductor identification & traceability
Laser Marking Machines for Semiconductor Packaging
A semiconductor laser marking machine creates permanent, readable identification on wafers, molded IC packages, leadframe strips, substrates and tray-loaded devices. Use this page to compare current equipment, marking positions, code requirements, laser sources, handling formats and verification functions.
Mark previewVision aligned
Permanent IDGKV · A26
Content2D Code + Text
AlignmentFiducial / Vision
VerificationOCR / Code Read
Marking position first
Where Does Identification Enter Your Production Flow?
The correct laser marker depends first on what is being marked and how it reaches the marking station. Wafer ID, strip-level package marking and tray-loaded device marking require different handling, alignment and inspection architectures.
Start with the product format, mark location and code content. Laser wavelength, power, optics and automation can then be narrowed without comparing unrelated machines.
A general-purpose engraving machine is not automatically suitable for semiconductor packaging. Mark contrast, heat input, debris control, positioning accuracy, clean handling and readable traceability data must be evaluated together.
Strip or Leadframe Marking
Process molded strips or substrates with rail, shuttle, magazine or strip-handling systems before singulation and final package finishing.
Typical formatStrip / Magazine
Tray-Level Device Marking
Mark individual ICs, MEMS or packaged devices in JEDEC trays with vision alignment, recipe control and optional code verification.
Typical formatTray / Device
Current equipment
Available Laser Marking Machines
Browse the current machine collection. Product pages describe the model platform; the actual marking source, handling format, software, inspection functions and included tooling should be confirmed for the machine being supplied.
Need a model that is not listed? Send the package format, mark content, material and required automation level so we can check sourcing options.
ThinkLaser HM300 Automated 300 mm Wafer Hard Marking System
ThinkLaser HM300 automated 300 mm wafer laser marking machine for permanent hard marking, semiconduc
ThinkLaser SC300 300 mm Debris-Free Wafer Soft-Marking System
ThinkLaser SC300 automated 300 mm wafer laser marking system for debris-free soft marking, permanent
ThinkLaser SigmaClean Debris-Free Semiconductor Wafer Soft-Marking System
ThinkLaser SigmaClean debris-free wafer laser marking system for permanent soft marking, semiconduct
ThinkLaser SigmaDSC Automated Semiconductor Wafer Hard-Marking System
Explore the ThinkLaser SigmaDSC automated wafer laser marking system for permanent semiconductor waf
Mark specification
Choose the Required Mark Before Comparing Laser Power
A useful comparison starts with the mark itself: human-readable text, serial numbers, logos, 1D barcodes, 2D data matrix codes or wafer IDs. The required contrast, cell size, depth and verification standard influence the laser source and optics.
The package material matters just as much. Mold compound, ceramic, silicon, metal, solder mask and coated surfaces respond differently to UV, green, infrared or fiber-based laser processing.
Data MatrixOCR TextLot & Serial NumberLogoWafer IDTraceability Code
Marking target
What normally matters
What should be confirmed
Molded IC PackagePackage marking
Contrast, character size, surface damage, dust and cycle time.
Compound type, package family, mark field, laser source and extraction.
Wafer Surface / BacksideWafer identification
Low damage, clean handling, alignment, code readability and wafer protection.
Wafer material, size, front/back location, cassette type and cleanroom requirement.
Leadframe Strip / SubstrateStrip-level marking
Rail or shuttle handling, fiducial alignment, recipe change and throughput.
Strip dimensions, magazine format, mark count, process position and downstream singulation.
Tray-Loaded DeviceFinal package ID
JEDEC tray compatibility, device orientation, small-code quality and inspection.
Tray type, package outline, lot size, OCR or code-read requirement and reject handling.
Traceability is more than a visible mark
Can the System Position, Mark, Read and Record the Code?
For semiconductor production, marking quality is only one part of the result. A complete system may also need fiducial recognition, orientation checks, OCR or data-matrix verification, duplicate-code prevention, recipe control and production-data exchange.
This is especially important for an automatic semiconductor laser marking machine connected to strip, tray or wafer handling. The installed vision hardware and software licenses must be confirmed on the actual machine.
Ask for sample marks or a process test using a representative package whenever contrast, heat sensitivity, cell size or code readability is critical.
Marking and verification chainProduction traceability
01 / LocateVision Alignment
Find fiducials, package edges or wafer reference positions before marking.
02 / MarkLaser Recipe
Apply the selected wavelength, pulse settings, scan path and character layout.
03 / VerifyOCR / Code Read
Check readability, content, orientation and required data-matrix quality.
04 / RecordTraceability Data
Store result, lot, recipe, timestamp and equipment status when supported.
Automation and handling
Standalone, Inline or Fully Automatic?
Search results cover everything from manually loaded marking workstations to high-volume semiconductor systems. The correct architecture depends on product format, takt time, lot control, inspection and connection to the surrounding line.
Selection pathMatch Automation to Material Flow
More automation adds controlled loading, alignment, traceability and repeatability, but it must match the package and factory interface.
01Standalone / Manual Load
Best fit
Engineering, sampling, repair, small batches and flexible product changeover.
Confirm
Fixture, enclosure, focus method, vision option, extraction and operator workflow.
02Semi-Automatic
Best fit
Repeatable batch production with programmed motion, assisted loading or tray handling.
Confirm
Workholder, recipe management, alignment, tray or strip format and inspection functions.
03Fully Automatic / Inline
Best fit
High-volume IC, strip, tray or wafer marking connected to a production line or host system.
Confirm
Loader/unloader, robot, rail or shuttle, MES interface, reject handling and factory utilities.
Prepare a useful inquiry
Send the Product, Mark and Handling Requirements
A laser marking machine quote is more useful when it is based on the actual package and code requirement rather than laser wattage alone.
Send the information you already have. We can help identify missing points and compare them with the available system configuration.
Discuss Your Marking RequirementInformation to send
Why it affects equipment selection
Product format
Wafer, molded strip, leadframe, substrate, JEDEC tray or individual component determines handling architecture.
Material and surface
Mold compound, ceramic, silicon, metal or coated surfaces require different wavelength and process windows.
Mark content
Text, logo, serial number, barcode or data matrix determines resolution, field size and verification needs.
Automation level
Manual, tray, strip, magazine, wafer cassette or inline loading changes the machine architecture and quotation scope.
Inspection and data
OCR, code grading, duplicate prevention, host communication and traceability storage may require specific cameras or licenses.
Machine preference
Brand, model, new/used condition, quantity, destination, voltage and project schedule help narrow current supply.
Frequently asked questions
Laser Marking Machine Questions
These answers cover the practical differences buyers usually need to confirm before comparing semiconductor marking systems.
What can a semiconductor laser marking machine mark?
Depending on the model and laser source, systems may mark molded IC packages, wafers, leadframe strips, substrates, ceramics, metals and tray-loaded components. The actual material, mark quality and handling range must be confirmed for each machine.
Which laser source is suitable for IC package marking?
There is no universal source. UV, green, infrared, fiber or other solid-state laser options may be selected according to the mold compound, ceramic, silicon or metal surface, required contrast, heat sensitivity and marking speed.
Can one machine mark wafers, strips and tray-loaded devices?
Some configurable platforms support more than one format, but wafer, strip and tray handling normally require different loaders, fixtures, robots, vision routines and recipes. Confirm the installed handling modules rather than assuming multi-format capability from the laser alone.
What is the difference between laser marking and laser engraving?
In semiconductor packaging, the goal is usually controlled identification with readable contrast and minimal product damage. Deep engraving is not always desirable. The process depth and material interaction should match the package and traceability requirement.
Should OCR or data-matrix verification be included?
Verification is valuable when the production system must confirm content, readability, orientation or duplicate-code prevention. Check whether the machine includes the required camera, illumination, software license and code-quality function.
What should be checked on a used laser marking machine?
Verify the laser source and operating hours, optics, scanner, vision system, handling modules, extraction, software version, licenses, fixtures, safety enclosure, sample-mark quality, utilities and the exact delivery scope.
Start With the Product and Mark You Need
Send the package or wafer format, surface material, code content, automation level and preferred machine condition. We will review the available laser marking equipment and quotation scope.