Kraftetch Industries
Kraftetch Industries
Taloja, Navi Mumbai, Thane, Maharashtra
GST No. 27AAOFK8747Q1Z5
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Photo Chemical Etching

We are a leading Manufacturer of photo chemical etching, emi shielding product and photo chemical etching job work from Navi Mumbai, India.

Photo Chemical Etching

Photo Chemical Etching
  • Photo Chemical Etching
  • Photo Chemical Etching
  • Photo Chemical Etching
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Product Details:

DimensionsThickness 0.02 to 0.8mm
Service CityAll in India
Type of LocationIndustrial
Design TypeAs per customer design
Thickness0.02 to 0.8mm
Methods UsedAs Per Customer Design
Service LocationTaloja Panvel

Due to our years of industry know-how, we are presenting a wide variety of Photo Chemical Etching. This product is well designed by making use of top notch grade material and contemporary technology in sync with the set industry guidelines. In addition to this, to avoid any flaws, our quality auditors test this product against different quality restrictions.



  • Thickness  0.05 mm to 0.8mm
  • Tolerance of +/- 20%
  • Technique: Perforated


Capabilities of Process:

  • There are limits to the dimensions and tolerances that can be machined along the plane of the metal sheet, since etchants used in the photochemical machining process concurrently etch metals laterally and vertically through the thickness (T) of the sheet. Because the metal at the surface of a sheet is exposed to etchant longer than the metal at the center of the sheet, the surface of a part etches laterally more than metal at the center. The following planar dimensions are related directly to the thickness of that sheet.


Hole Size/ Slot Width:

  • The smallest hole diameter (D) or slot width that can be produced by the process, as a general rule, is 1 times the metal thickness. The minimum practical diameter or slot width that can be machined is 0.102 mm.


Bar Widths:

  • The spacing of metal between the holes and/or slots in a design is not an issue using photochemical machining. However, when a part contains holes and/or slots that are spaced closely together, such as with a fine resolution screen or encoder disc, the width of the metal that remains between them is referred to as the bar width (W). With metals over 0.13 mm thick, minimum bar widths must generally be at least 0.9 times the metal thickness. With metals at or under 0.13 mm thick, the minimum practical bar width that can be machined is 0.076.



  • In the photochemical machining process, all corners in a part, whether within or along an outside edge, will have an associated radius. The examples of various part corners and angles illustrate how we can compensate for some radii and will help you determine whether these compensations are appropriate for your design.


What are tabs?:

  • In most cases, your precision machined part will be etched from a sheet of metal. Metal parts are held in sheets by several small tabs which may leave a burr when detached. It is important to note that this burr is unlike a progressive die burr. Therefore this process will refer to these "burrs" as tabs.

There are two types of tabs used in the Process:
  • External
  • Internal

External Tabs:

  • External tabs formed by precision machining will produce a break-off point that will leave a small part of the metal sheet on the part.


Internal Tabs:

  • Recessed tabs formed by precision machining are similar to external tabs except that the break-off point will be recessed into the part. Use this option if your part cannot have any areas extend beyond its perimeter. Typical applications that use the recessed tab are metal parts such as encoder discs and other circular parts, washers, and shields. RF/EMI shields will use recess tabs so that the tab does not affect the fence's attachment to the PCB.

Raw material use for this process:

  • Various grades of Stainless Steel, Brass, Coppers, Nickel Silver, Phosphors Bronze, Beryllium coppers etc.


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Emi Shielding Product

Emi Shielding Product
  • Emi Shielding Product
  • Emi Shielding Product
  • Emi Shielding Product
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Product Details:

Payment ModeOnline / offline
Country of OriginMade in India

So as to attain a high level of customer satisfaction and trust, we are engrossed in presenting an unbeatable consignment of EMI Shielding. Making use of premium quality factory material along with modern tools and tackles; these are developed under the supervision of trained executives of our crew. More to this, the entire range dis thoroughly examined before final shipment. These shields can easily be modified to incorporate trace notches, ventilation holes, custom pin styles, tuning holes, and logo or part marking at no additional cost.
  • One-piece, two-piece, and multi-cavity shields
  • Surface mount and thru-hole configurations
  • Standard and custom shields are available
  • Little to no tooling investment required
  • Exceptional cover to frame retention
  • Unlimited board level shield sizes
  • Variety of materials and finish options
  • Shortest lead times in the industry
  • Superior RF shielding integrity



  • Process: Stamping
  • Tolerance: 0.01mm of EMI Shielding
  • Finish: Clean

EMI/RFI shielding, photochemical milling, Kraftetch has the in-house expertise to transform your shielding concepts into practical (BLS) Board Level Shielding solutions.

This RF Sheilds are made from the raw material such as:
  • Beryllium Copper
  • Phosphorous Bronze
  • Brass
  • Nickel Silver, etc

  • Shielding is been used in electronic and telecom sectors.

Industrials Applications:
  • Aerospace and Defence
  • Medical
  • Communications
  • Electronics
  • Precision Engineering
  • Decorative
  • Automobile
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Photo Chemical Etching Job Work

Photo Chemical Etching Job Work
  • Photo Chemical Etching Job Work
  • Photo Chemical Etching Job Work
  • Photo Chemical Etching Job Work
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Product Details:

MaterialStainless Steel
Surface treatmentChemical Film
TypeEtching / Chemical Machining
TechniqueWelded Mesh

Our organization offers a comprehensive range of Photo Chemical Etching Job Work. This service is carried out by our highly experienced professionals using the progressive technology. The etching process is preferred for fine metalwork and metal panels, especially those that need specific designs like panels used in making computer parts.

The Kraftech Process of photochemical etching sometimes referred to as photochemical machining (PCM) or chemical milling, is a technique for manufacturing high-precision flat metal parts. During photo chemical etching, a photographically prepared mask (a Phototool) is used to protect the metal that is to remain after the chemical milling process is complete.

The following ten steps comprise our photochemical machining process
  • Order review
  1. We don't take it if we can't make it precisely to your requirements.
  • Phototooling
  1. CAD image laser-plotted to 1/4 mil resolution
  2. Two-sided working photo tool registered within.0005"
  • Metal stock
  1. Certification
  2. Lot control for traceability
  • Metal preparation
  1. Degrease and rinse
  2. Acid wash, scrub and dry
  3. Inspect for cleanliness
  • Coating
  1. Photoresist bonded to metal
  2. Exit temperature controlled
  • Ultraviolet exposure
  1. Polymerizes the resist
  2. Light controlled by Stouffer 21 step-tablet
  • Developing
  1. Developer solution heated to 85F
  2. Photoresist on unexposed surfaces dissolved
  3. Visual break-point test at halfway point
  4. Thorough rinsing and air drying
  • Photo Chemical Etching
  1. Acid etchant sprayed on both surfaces simultaneously
  2. Speed varied per metal and thickness
  3. Top and bottom metal removal variable if desired
  4. Speed, specific gravity, pH, O.R.P. and etchant temperature charted and adjusted as needed
  • Stripping
  1. Alkaline wash removes photoresist
  2. Parts exit conveyorized stripper-drier free of water spots
  • Final inspection
  1. Finished parts compared to blueprint
  2. Inspection equipment calibrated to NBS
  3. Perfect parts securely packaged and shipped via your chosen carrier
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Reach Us
Amol Yadav (Marketing Manager)
Kraftetch Industries
Platinum Spring Block C -6, M. I. D. C., Tal. Panvel, District Raigad
Taloja, Navi Mumbai - 410208, Thane, Maharashtra, India
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