Photo Etching

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What is Photo etching

What is Photo etching?

Photochemical Machining (PCM) is a high quality, fast turn-around, economical way of manufacturing precision, detailed metal parts such as screens, shields, grids, washers RFI/EMI Shielding, Filters, Lead Frames, Encoder Disks, Buss Bar, Flat Springs, Heat Sinks, Drive Bands, Electrical Contacts, Ribbon Shields, Laminates, Backplates, EMP grids, Signage, Plaques.

Our Photochemical Etching Process

Our photochemical Etching (PCE) process consists of several important steps.
Each step is a critical prerequisite to the next.

Metal Etching Capabilities

Process
Photochemical MachiningChemical EtchingSelective Etching
Precision EtchingPhoto EtchingPhoto Chemical Milling
Industry Focus
Aerospace Automotive Industrial Marine
Medical Military Optical Electronic
Decorative Commercial Circuitry Biomedical
Industry Standard
ISO 9001:2015
Production Volume
Max: 1200-1800 square meter per day
Specialty Production ShopPrototypeLow Volume
High VolumeDevelopmentalQuick Turns
Materials (Metals)
Stainless Steel Alloys (Type 301, Types 302/304, Type 316)
Brass AlloysCopper AlloysBronze AlloysSteel Alloys
Aluminum Alloys (1100, 1145, 3003, 5051, 6061)
High VolumeDevelopmentalQuick Turns
File Formats
AutoCAD (DWG, DXF) PDF
Part Dimension
According to customer's design
Metal Thickness
Min : 0.02mmMax : 2mm

Photochemical Etching (PCE) VS Traditional Sheet Metalworking

(Process comparison table)

See how photo etching measures up with laser,stamping and waterjet cutting
Photo EtchingLaser CuttingStampingWire EDM ( WEDM)Water Jet CuttingElectroforming
SamplingLow costLow costHigh costLow costLow costMedium cost
MetalsNearly all metalsNearly all metalsNearly all metalsConductive metalsNearly all metalsNickel and copper
HardnessNo restrictionNo restrictionProblems with soft, hard or brittle metalsHardness is a considerationHardness is a considerationTypically 200-670 HV
StressNo stressThermal stress on cutting edgeStress at cutting edgeDeformation, tempering and structural changes may occurLimited stress on cutting edgeLow-stress
BurrsNo burringMicro burringPartial burringMicro burringMicro burringNo burring
Tooling and design changesQuick, easy and cost effectiveQuick, easy and cost effectiveExpensive and time consumingQuick, easy and cost-effectiveQuick, easy and cost- effectiveQuick, easy and cost-effective
Typical lead timesSeven daysSeven daysSix weeks - six monthsSeven daysSeven daysSeven days
Tolerance as a percentage of metal thickness±10%±5%±10%±10%±15%±5%
Can parts be supplied in sheets for easy counting/handling?YesYesNot easilyYesYesYes
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