aid: aaltosemi
name: Aaltosemi
description: 'AaltoSemi (Chinese name 芯爱科技（南京）有限公司) is an integrated-circuit
  packaging substrate manufacturer founded on 8 May 2021 and headquartered in the Pukou
  Economic Development Zone in Nanjing, Jiangsu, China. The company designs and fabricates
  the organic substrates that carry the electrical connection between a semiconductor die
  and the printed circuit board, covering both BT and ABF material systems across Coreless,
  ETS, FCCSP, FCBGA (BT) and FCBGA (ABF) product families for consumer electronics,
  high-performance computing, communications, automotive and medical applications, and it
  offers those as an end-to-end service spanning R&D, design, production and test. Its
  Nanjing fab is a high-automation plant with a stated annual capacity of roughly 1.45
  million substrate panels, and the company holds IATF 16949 and VDA 6.3 quality
  certifications and has filed more than twenty patents since founding. The name is taken
  from the Finnish designer Alvar Aalto. AaltoSemi is a hardware manufacturer: it sells
  physical substrates to chip makers and OSATs, and it publishes no public API, developer
  portal, SDK or machine-readable contract of any kind.'
image: https://www.aaltosemi.com/favicon.ico
url: https://raw.githubusercontent.com/api-evangelist/aaltosemi/refs/heads/main/apis.yml
x-type: company
x-source: harvest:secondary-market
x-tier: profile
x-tier-reason: no-api-surface
specificationVersion: '0.20'
created: '2026-09-05'
modified: '2026-09-05'
tags:
- Company
- Semiconductors
- Semiconductor Packaging
- IC Substrates
- Advanced Packaging
- Electronics Manufacturing
- Hardware
- FCBGA
- Nanjing
- China
tags_raw:
- Company
- Semiconductors
- Semiconductor Packaging
- IC Substrates
- Advanced Packaging
- Electronics Manufacturing
- Hardware
- FCBGA
- Nanjing
- China
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/aaltosemi-domain-security.yml
- type: Website
  url: https://www.aaltosemi.com/en/
- type: About
  url: https://www.aaltosemi.com/en/
- type: Solutions
  url: https://www.aaltosemi.com/en/h-col-104.html
- type: Blog
  url: https://www.aaltosemi.com/en/h-col-106.html
- type: Careers
  url: https://www.aaltosemi.com/en/h-col-113.html
- type: Contact
  url: https://www.aaltosemi.com/en/h-col-107.html
- type: Sustainability
  url: https://www.aaltosemi.com/en/h-col-105.html
- type: LinkedIn
  url: https://www.linkedin.com/company/aaltosemi-inc
- type: X-SecondaryMarketListing
  url: https://equityzen.com/company/aaltosemi/
- type: LLMsTxt
  url: llms/aaltosemi-llms.txt
x-enrichment:
  date: '2026-09-05'
  status: minimal
  artifacts_added: 3
  pass: local-v3
x-coverage:
  state: none
  reason: not-a-software-company
  detail: >-
    AaltoSemi is an IC packaging-substrate fab in Nanjing that sells physical BT and ABF
    substrates to chip makers, not software: www.aaltosemi.com is a six-page corporate CMS
    site with a Product Center, ESG, News, Careers and Contact section and no developer,
    API, or download area anywhere in it, and api./developer./developers./docs./portal.
    aaltosemi.com do not resolve in DNS.
  evidence:
  - url: https://www.aaltosemi.com/en/
    status: 200
  - url: https://www.aaltosemi.com/openapi.json
    status: 404
  - url: https://www.aaltosemi.com/api-docs
    status: 404
  - url: https://www.aaltosemi.com/graphql
    status: 404
  - url: https://www.aaltosemi.com/llms.txt
    status: 404
  - url: https://www.aaltosemi.com/.well-known/agent-card.json
    status: 404
  - url: https://www.aaltosemi.com/.well-known/api-catalog
    status: 404
  - url: https://api.aaltosemi.com/openapi.json
    status: 0
  - url: https://github.com/aaltosemi
    status: 404
  checked: '2026-09-05'