Chemical decapsulation

JETETCH PRO

Controlled chemical decapsulation for repeatable laboratory processing.

JetEtch Pro is the core chemical-decapsulation platform in the Nisene JetEtch family. It is designed to remove selected semiconductor package encapsulant and expose the die and internal package structures for examination.

Package suitability, wire-bond compatibility, fixture selection and process parameters must be reviewed for each application.

Compare JetEtch configurations

JetEtch Pro chemical decapsulation system, showing the operator control panel, the sealed process chamber and the four-bottle reservoir module.
JetEtch Pro system. Source: JetEtch Pro brochure, p.1.

The core JetEtch chemical-decapsulation platform

Etch head and sealed process chamber of a JetEtch Pro system during a decapsulation cycle, with etchant delivered to the sample through the head.
Etch head and process chamber. Source: JetEtch Pro brochure, p.7.

JetEtch Pro provides a controlled platform for chemical removal of semiconductor mold compound over a defined package area. The system supports development and recall of package-specific laboratory processes using controlled etchant delivery, temperature, timing and post-process rinse settings.

Potential purposes

  • Semiconductor failure analysis
  • Die and bond-wire exposure
  • Construction analysis
  • Counterfeit-component investigation
  • Incoming quality investigation
  • Reliability and qualification analysis
  • Research and process development
Potential applications remain subject to review by Nisene applications engineering.

When JetEtch Pro may be the appropriate configuration

Standard chemical-decapsulation work

Applications for which Nisene engineering determines that bias-assisted copper-wire protection is not required.

Repeatable laboratory workflows

Applications requiring controlled process settings and recall of approved package-specific recipes.

Defined-area die exposure

Applications using suitable fixtures and gaskets to control the package area exposed to the etchant.

Application development

Laboratories developing processes for new package types, encapsulants or exposure geometries.

Final system selection depends on the package construction, wire-bond metallurgy, mold compound, die location and analysis objective.

Designed for controlled process development

Capability descriptions only. No operating values are published in this section.

Controlled etchant delivery

Configurable delivery settings support package-specific chemical-decapsulation process development.

Temperature control

Controlled process temperature supports repeatable application of approved recipes.

Timing control

User-defined etch timing supports process adjustment for different package and exposure requirements.

Recipe management

Stored recipes support recall of approved laboratory process parameters.

Post-process rinse control

Configurable rinse settings support the post-etch process sequence.

Operator interface

A dedicated system interface provides access to operating parameters, recipe selection and system status.

Configurable etchant delivery

Pulse delivery

A controlled intermittent etchant-delivery mode intended to support package-specific process development.

Vortex delivery

A controlled etchant-flow mode intended to support defined-area package processing.

Delivery modes, flow ranges, compatibility and recommended applications must be confirmed from the current JetEtch Pro engineering documentation.

From package review to examination

Step 1

Review the package

Identify package construction, dimensions, die location, wire-bond material and required exposure area.

Step 2

Select the application tooling

Select the appropriate gasket, fixture, alignment component, backing element and etch-head arrangement.

Step 3

Select an approved process

Recall or establish approved parameters for etchant delivery, temperature, timing and rinse.

Step 4

Run the controlled sequence

Process the sample in accordance with the equipment manual, approved laboratory procedures and applicable safety requirements.

Step 5

Clean and inspect

Complete the approved post-process procedure before optical, electrical or other failure-analysis examination.

Chemical decapsulation must be carried out by trained personnel in an appropriately equipped laboratory, using approved chemicals, personal protective equipment, safety data sheets and site procedures.

Technical specifications

Published specifications are shown below.

Specifications transcribed from the JetEtch Pro brochure, p.12. Specifications are subject to change without notice.
Specification JetEtch Pro
Process type Chemical decapsulation of semiconductor packages
Etchant-delivery modes Pulse Etch mode and Vortex Etch mode (user selectable)
User-selectable etch time 1 – 1,800 seconds, in 1.0-second increments
Recipe capacity 100 user-defined programs, held in non-volatile memory
Mixed-acid capability Nitric : sulfuric and sulfuric : nitric, at 6:1, 5:1, 4:1 and 3:1. Etchant volume 1.0 – 10.0 mL/min (software selectable)
Post-etch rinse control Nitric acid, sulfuric acid, or no rinse
Temperature range — nitric acid 20 – 90 °C
Temperature range — sulfuric acid 20 – 250 °C
Temperature range — mixed acids 20 – 100 °C (range automatically calibrated to the selected ratio)
Daisy-chained recipes No
System dimensions Etcher unit 290 h × 290 w × 419 d mm (11.5 × 11.5 × 16.5 in). Bottle container 230 h × 110 w × 110 d mm (9 × 4.25 × 4.25 in)
System weight 17 kg (38 lb), excluding bottle container and accessories
Electrical supply 350 W at 95 – 130 VAC, or 350 W at 210 – 250 VAC
Pneumatic supply Clean dry air at 4.2 kg/cm² (60 – 100 psi). Nitrogen supply 2.8 lpm (0.1 cfm)
Exhaust requirements Installation in a chemical fume hood is required, with a minimum flow rate of 0.5 m/s (100 surface ft/min)
Standard accessory kit A standard basic Accessory Kit is supplied with every JetEtch Pro system
Optional accessory kits DIP/SIP 0300601 · PLCC 0300602 · SOIC 0300603 · QFP 0300604 · PBGA 0300605 · Die-down BGA 0300606 · QFN/MLP 0300609 · Universal Accessory Kit 0300612. Custom-designed Monolithic Gaskets are also available
Certifications and standards CE certification, SEMI S-2-93, SEMI S-2-2000, as printed in the brochure.
Warranty 12-month warranty covering all parts and labour, excluding consumable items. 5-year warranty on the micrometering pump assembly

Choose the appropriate JetEtch configuration

Core chemical decapsulation

JetEtch Pro

Base JetEtch platform for chemical-decapsulation applications that do not require the added copper-wire bias capability or sub-ambient etchant cooling.

You are viewing JetEtch Pro
Bias-assisted copper-wire protection

JetEtch Pro CuProtect

Adds adjustable electrical bias intended to support preservation of copper-wire structures during chemical decapsulation.

Explore CuProtect
Bias + sub-ambient cooling

JetEtch Pro TotalProtect

Combines bias-assisted copper-wire protection with controlled sub-ambient etchant cooling.

Explore TotalProtect
Configuration selection must be confirmed with Nisene applications engineering.

Application tooling for defined-area processing

JetEtch Pro uses package-specific fixtures and gaskets to locate the sample, define the etch area and support controlled processing.

DIP / SIP applications

Contact Nisene for compatibility, kit contents and availability.

PLCC applications

Contact Nisene for compatibility, kit contents and availability.

SOIC / SOP applications

Contact Nisene for compatibility, kit contents and availability.

QFP applications

Contact Nisene for compatibility, kit contents and availability.

BGA applications

Contact Nisene for compatibility, kit contents and availability.

Die-down BGA applications

Contact Nisene for compatibility, kit contents and availability.

QFN / MLP applications

Contact Nisene for compatibility, kit contents and availability.

Universal or custom applications

Contact Nisene for compatibility, kit contents and availability.

Explore fixtures and applications

Fixture selection matters

Location gaskets

Position the package relative to the defined etch opening.

Definition gaskets

Define the area of encapsulant exposed to the etchant.

Monolithic gaskets

Combine sample location and cavity definition in a custom single-piece fixture.

Stepped gaskets

Support selected die-down BGA and other package configurations requiring raised geometry.

Alignment plates

Support larger packages or packages requiring dedicated alignment and backing arrangements.

Ram noses, blanks and locator components

Complete the sample stack-up and support controlled pressure, alignment and, where applicable, electrical bias.

The correct stack-up must be selected or developed for the package and required exposure geometry.

Package-specific process development

BGA QFN / DFN QFP / TQFP SOIC / SOP DIP PLCC CSP / WLCSP Die-down BGA Multi-die packages Stacked packages Custom packages

Package compatibility depends on construction, dimensions, die location, mold compound, wire-bond material, fixture availability and required exposure area.

Contact Nisene applications engineering before representing a package as supported.

Review representative results

Representative results. Contact Nisene for application examples relevant to your packages.

Die surface exposed by chemical decapsulation, with metallisation and circuit structures visible across the opened area.
Exposed die after decapsulation. Source: JetEtch Pro brochure, p.5.
A range of plastic-encapsulated packages opened by chemical decapsulation, each showing the exposed die and internal bonding.
Opened packages across several package families. Source: JetEtch Pro brochure, p.3.
Scanning electron micrograph of ball bonds and wire stems preserved on the bond pads after decapsulation.
SEM of preserved ball bonds. Source: JetEtch Pro brochure, p.6.

Prepare the laboratory

Published specifications are shown below.

Chemical fume extraction

Installation requirements must be confirmed from the current facility-requirements document.

Electrical and pneumatic services

Required supplies depend on the current JetEtch Pro configuration and destination territory.

Chemical storage and handling

The customer facility must meet applicable chemical-storage, handling and waste-management requirements.

Workbench and service access

Clearance, supporting surface and service-access requirements must be confirmed before installation.

Final installation requirements depend on the supplied configuration, destination, applicable regulations and customer site conditions.

Request facility requirements

Safety is part of the installation

Installation and operating responsibility

JetEtch Pro must be installed and operated only in an appropriately equipped laboratory by trained personnel. Customers are responsible for site-specific risk assessment, approved chemicals, ventilation, waste handling, personal protective equipment and compliance with applicable regulations.

Applicable compliance, declaration and installation documentation will be identified for the quoted system and destination and supplied where applicable.

Support throughout the equipment lifecycle

Applications engineering

Fixture selection, sample review and process-development support for unfamiliar or challenging packages.

Installation and training

Available in accordance with the quotation, system configuration and applicable territory.

Service and repair

Technical diagnosis, repair and maintenance for supported systems.

Spare parts and fixtures

Replacement components, application tooling and consumables subject to current availability.

JetEtch Pro document

Download the available approved documents directly.

Discuss your JetEtch Pro application

Tell us about the package, wire-bond material, required exposure area and analysis objective. Nisene will review the application and advise on system configuration, fixture selection and the appropriate evaluation route.

Nisene Technology Group
Based in Watsonville, California, USA.
417A Salinas Road, Watsonville, CA 95076, USA
sales@nisene.com
service@nisene.com
Schedule a meeting

Send an enquiry

Tell us the system, the package type and what you need to achieve, and our applications team will respond.

Email sales@nisene.com Service and RMA

Nisene Technology Group, 417A Salinas Road, Watsonville, CA 95076, USA