Plasma Knowledge: Plasma Asher

What is Plasma Ashing?

 
When plasma etching a surface to create patterns, for example manufacturing printed circuit boards, something called a photoresist or etching mask is put on the surface being treated to map out the pattern. The plasma ions will then etch around it. After this first step is done the photoresist needs to be removed from the surface without removing any other part of the surface leaving behind just the desired pattern on the surface of the material. This second step is called plasma ashing. Plasma ashing is a necessary part of the production of printed circuit boards which are critical components in almost all electrical devices. Plasma ashers are also called plasma etchers because the same machine can be used to execute both processes.

How is Plasma Ashing Done?

 
Using a Thierry low-pressure plasma system you can clean, etch, and plasma ash surfaces. This is accomplished by taking advantage of the characteristics of different types of plasma. Plasma ashing a surface requires introducing oxygen (O2) into the vacuum chamber which then ionizes and becomes oxygen plasma which can be used to oxidize or plasma ash the photoresist. This assists in the removal of the etching mask.
 
A Plasma System to Suit Each Application & Advantages of Plasma-enhanced Chemical Vapor Deposition (PECVD)Adhesion Science & Adhesion TreatmentsAnisotropic Etching & The Methods and Uses for Anisotropic EtchingApplications of a Plasma Asher & Surface ModificationArgon Plasma & Argon Plasma Role in Micro-SandblastingAtmospheric Pressure Plasma & Applications of Atmospheric Pressure PlasmaBonding Polyethylene & Using Plasma for Bonding PolyethyleneCoating PVD & Advantages and Disadvantages of Coating PVDContact Angle Measurements & How to Measure Contact AnglesCorona Discharge & The Properties of Corona DischargesCorona Treatment & The Differences between Corona Treatment and Atmospheric PlasmaCVD & Plasma Enhanced CVDDifferences between the Types of Plasma Treatments, Specifically Plasma Coating & Plasma Treatments IntroductionDry Etching & Dry Etching vs. Wet EtchingDry Etching (Plasma Etching) and Wet Etching & Advantages and Disadvantages of Dry Etching (Plasma Etching) and Wet EtchingDyne Levels & Determining a Dyne Level Using a Dyne TestDyne Testing & More about Dyne TestingEtching Silicon & How Etching Silicon is DoneEvaporated Coatings & Methods of Applying Evaporated CoatingsHF Etching & Buffered HF EtchingHistory of Plasma Treatment & Why Powder Plasma Treatment?How to Measure Surface Tension & More Methods of Measuring Surface TensionHydrogen H2 Plasma & Oxide-Layer Reduction with Hydrogen PlasmaHydrogen Peroxide Plasma & The Advantages and Uses of Hydrogen Peroxide Plasma SterilizationHydrophilic Treatment & How Hydrophilic Treatment WorksHydrophobic Coatings vs. Hydrophilic Coatings & Uses for Hydrophobic CoatingsInductive Plasma & The Application of Inductive PlasmaIndustries That a Plasma Asher is Used In & Plasma Etch Customer Parts (Plastic, Metal, Glass)Intelligent Textiles & The Possible Applications of Intelligent TextilesIsotropic Etching & Wet Isotropic Etching vs. Dry Isotropic EtchingLength of Activation for Plasma Treatments & Plasma Treatments and Types of Plasma CoatingLow Pressure Plasma Systems & Types of Low Pressure Plasma SystemsMaximizing Coating Adhesion & Applications of Improving Coating AdhesionNanotechnology Fabrics & Nanotechnology Fabric ProcessesNitrogen Plasma & Nitrogen Plasma vs. Oxygen PlasmaOleophobic Coating & Oleophobic Coating Plasma TreatmentOxide Etch & Buffered Oxide Etch vs. Plasma EtchOxygen Plasma Etching & How Oxygen Plasma Etching is AccomplishedPECVD Industrial Applications & PECVD EfficiencyPECVD Is an Improved Method of Chemical Vapor Deposition & Operation of PECVD SystemsPhysical Vapor Deposition & Physical Vapor Deposition ApplicationsPlasma Applications & Plasma applications in Surface ModificationPlasma Asher & How is Plasma Ashing Done?Plasma Asher Tailored to the Customer & Plasma Etchers and SelectivityPlasma Beam & Plasma Beam ApplicationsPlasma Bonding & The Techniques for Plasma BondingPlasma Etching Tailored to the Customer & Plasma Etcher ParametersPlasma Frequency & Ranges of Plasma FrequencyPlasma Gas & Plasma Gas (Partially Ionized Gas) – Degree of IonizationPlasma Generator & Types of Plasma GeneratorsPlasma Surface Modification & Plasma Surface SciencePlasma Surface Technology & Surface Technology CapabilitiesPlasma Treatment of Different Materials & Plasma Treatment of Silica PowderPlasma Treatment of Powder Applications & Experienced Powder TreatmentPlasma Treatment of Textiles & Plasma Treatment of Textiles: Medical and Technological ApplicationsPlasma Treatment Services & The Use of Corona and Plasma Treatment to Modify Contact AnglePlasma Treatment Systems & Plasma TreaterPlasma Treatments and the History of Plasma & Plasma Treat Different MaterialsPowder Treatment for the Customer & Industries that Need Powder TreatmentSteps of Dry Etching (Plasma Etching) and Wet Etching & Dyne Levels and Plasma Etching TechnologiesSurface Coating with PECVD System & Applications of PECVD SystemsSurface Treatments & Uses for Surface TreatmentsThierry Plasma Systems & What is Plasma-enhanced chemical vapor deposition (PECVD)?What Industries Plasma Etching Is Used In & Plasma Etching MechanismsWhat is a Plasma Asher? & Differences between Plasma Etch and Plasma AshWhat is Plasma Density? & Plasma Density: Cold and Hot PlasmaWhat is Plasma Treatment? & Plasma Treatment of Powders

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